diff --git a/frontend/apps/reader/modules/readerdictionary.lua b/frontend/apps/reader/modules/readerdictionary.lua
index f6e19b5c2..1b7f6a542 100644
--- a/frontend/apps/reader/modules/readerdictionary.lua
+++ b/frontend/apps/reader/modules/readerdictionary.lua
@@ -136,6 +136,7 @@ function ReaderDictionary:init()
                 f:close()
                 local dictname = content:match("\nbookname=(.-)\r?\n")
                 local is_html = content:find("sametypesequence=h", 1, true) ~= nil
+                local lang_in, lang_out = content:match("lang=(%a+)-?(%a*)\r?\n?")
                 -- sdcv won't use dict that don't have a bookname=
                 if dictname then
                     table.insert(available_ifos, {
@@ -144,6 +145,7 @@ function ReaderDictionary:init()
                         is_html = is_html,
                         css = readDictionaryCss(ifo_file:gsub("%.ifo$", ".css")),
                         fix_html_func = getDictionaryFixHtmlFunc(ifo_file:gsub("%.ifo$", ".lua")),
+                        lang = lang_in and { lang_in = lang_in, lang_out = lang_out },
                     })
                 end
             end
@@ -265,7 +267,7 @@ function ReaderDictionary:addToMainMenu(menu_items)
             },
             {
                 text = _("Download dictionaries"),
-                sub_item_table = self:_genDownloadDictionariesMenu()
+                sub_item_table_func = function() return self:_genDownloadDictionariesMenu() end,
             },
             {
                 text = _("Enable fuzzy search"),
@@ -477,10 +479,19 @@ end
 
 function ReaderDictionary:_genDownloadDictionariesMenu()
     local downloadable_dicts = require("ui/data/dictionaries")
+    local IsoLanguage = require("ui/data/isolanguage")
     local languages = {}
 
     for i = 1, #downloadable_dicts do
         local dict = downloadable_dicts[i]
+        if not dict.ifo_lang then
+            -- this only needs to happen the first time this function is called
+            local ifo_in = IsoLanguage:getBCPLanguageTag(dict.lang_in)
+            local ifo_out = IsoLanguage:getBCPLanguageTag(dict.lang_out)
+            dict.ifo_lang = ("%s-%s"):format(ifo_in, ifo_out)
+            dict.lang_in = IsoLanguage:getLocalizedLanguage(dict.lang_in)
+            dict.lang_out = IsoLanguage:getLocalizedLanguage(dict.lang_out)
+        end
         local dict_lang_in = dict.lang_in
         local dict_lang_out = dict.lang_out
         if not languages[dict_lang_in] then
@@ -593,6 +604,9 @@ local function tidyMarkup(results)
     local format_escape = "&[29Ib%+]{(.-)}"
     for _, result in ipairs(results) do
         local ifo = getAvailableIfoByName(result.dict)
+        if ifo and ifo.lang then
+            result.ifo_lang = ifo.lang
+        end
         if ifo and ifo.is_html then
             result.is_html = ifo.is_html
             result.css = ifo.css
@@ -1118,9 +1132,15 @@ function ReaderDictionary:downloadDictionary(dict, download_location, continue)
         return false
     end
 
-    local ok, error = Device:unpackArchive(download_location, self.data_dir)
+    -- stable target directory is needed so we can look through the folder later
+    local dict_path = self.data_dir .. "/" .. dict.name
+    util.makePath(dict_path)
+    local ok, error = Device:unpackArchive(download_location, dict_path, true)
 
     if ok then
+        if dict.ifo_lang then
+            self:extendIfoWithLanguage(dict_path, dict.ifo_lang)
+        end
         available_ifos = false
         self:init()
         UIManager:show(InfoMessage:new{
@@ -1135,6 +1155,24 @@ function ReaderDictionary:downloadDictionary(dict, download_location, continue)
     end
 end
 
+function ReaderDictionary:extendIfoWithLanguage(dictionary_location, ifo_lang)
+    local function cb(path, filename)
+        if util.getFileNameSuffix(filename) == "ifo" then
+            local fmt_string = "lang=%s"
+            local f = io.open(path, "a+")
+            if f then
+                local ifo = f:read("a*")
+                if ifo[#ifo] ~= "\n" then
+                    fmt_string = "\n" .. fmt_string
+                end
+                f:write(fmt_string:format(ifo_lang))
+                f:close()
+            end
+        end
+    end
+    util.findFiles(dictionary_location, cb)
+end
+
 function ReaderDictionary:onReadSettings(config)
     self.preferred_dictionaries = config:readSetting("preferred_dictionaries") or {}
     if #self.preferred_dictionaries == 0 then
diff --git a/frontend/device/generic/device.lua b/frontend/device/generic/device.lua
index 72a129cc2..3a85e5321 100644
--- a/frontend/device/generic/device.lua
+++ b/frontend/device/generic/device.lua
@@ -904,13 +904,14 @@ end
 -- filename extension. Inspired by luarocks archive_unpack()
 -- @param archive string: Filename of archive.
 -- @param extract_to string: Destination directory.
+-- @param with_stripped_root boolean: true if root directory in archive should be stripped
 -- @return boolean or (boolean, string): true on success, false and an error message on failure.
-function Device:unpackArchive(archive, extract_to)
+function Device:unpackArchive(archive, extract_to, with_stripped_root)
     require("dbg").dassert(type(archive) == "string")
     local BD = require("ui/bidi")
     local ok
     if archive:match("%.tar%.bz2$") or archive:match("%.tar%.gz$") or archive:match("%.tar%.lz$") or archive:match("%.tgz$") then
-        ok = self:untar(archive, extract_to)
+        ok = self:untar(archive, extract_to, with_stripped_root)
     else
         return false, T(_("Couldn't extract archive:\n\n%1\n\nUnrecognized filename extension."), BD.filepath(archive))
     end
@@ -920,8 +921,12 @@ function Device:unpackArchive(archive, extract_to)
     return true
 end
 
-function Device:untar(archive, extract_to)
-    return os.execute(("./tar xf %q -C %q"):format(archive, extract_to))
+function Device:untar(archive, extract_to, with_stripped_root)
+    local cmd = "./tar xf %q -C %q"
+    if with_stripped_root then
+        cmd = cmd .. " --strip-components=1"
+    end
+    return os.execute(cmd:format(archive, extract_to))
 end
 
 -- Set device event handlers common to all devices
diff --git a/frontend/ui/data/dictionaries.lua b/frontend/ui/data/dictionaries.lua
index f2bcf0852..ab2248a62 100644
--- a/frontend/ui/data/dictionaries.lua
+++ b/frontend/ui/data/dictionaries.lua
@@ -4,120 +4,120 @@ local _ = require("gettext")
 local dictionaries = {
     {
         name = "CIA World Factbook 2014",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 2577,
         license = _("Public Domain"),
         url = "http://build.koreader.rocks/download/dict/factbook.tar.gz",
     },
     {
         name = "GNU Collaborative International Dictionary of English",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 108121,
         license = "GPLv3+",
         url = "http://build.koreader.rocks/download/dict/gcide.tar.gz",
     },
     {
         name = "Douglas Harper's Online Etymology Dictionary",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 46133,
         license = "Unknown/©Douglas Harper",
         url = "https://gitlab.com/koreader/stardict-dictionaries/uploads/ce281fd8b5e83751d5c7b82d1e07a663/etymonline.tar.gz",
     },
     {
         name = "Folkets lexikon",
-        lang_in = "English",
-        lang_out = "Swedish",
+        lang_in = "eng",
+        lang_out = "swe",
         entries = 53618,
         license = "CC-BY-SA 2.5",
         url = "https://gitlab.com/koreader/stardict-dictionaries/uploads/619cbab2537b4d115d5503cdd023ce05/folkets_en-sv.tar.gz",
     },
     {
         name = "Folkets lexikon",
-        lang_in = "Swedish",
-        lang_out = "English",
+        lang_in = "swe",
+        lang_out = "eng",
         entries = 36513,
         license = "CC-BY-SA 2.5",
         url = "https://gitlab.com/koreader/stardict-dictionaries/uploads/53a0a9fea8cab8661cf930ddd2353a4c/folkets_sv-en.tar.gz",
     },
     {
         name = "Dictionnaire Littré (xmlittre)",
-        lang_in = "French",
-        lang_out = "French",
+        lang_in = "fra",
+        lang_out = "fra",
         entries = 78428,
         license = "CC-BY-SA 3.0",
         url = "http://http.debian.net/debian/pool/main/s/stardict-xmlittre/stardict-xmlittre_1.0.orig.tar.gz",
     },
     {
         name = "Dictionnaire de l'Académie Française: 8ème edition",
-        lang_in = "French",
-        lang_out = "French",
+        lang_in = "fra",
+        lang_out = "fra",
         entries = 31934,
         license = _("Public Domain (copyright expired, published 1935)"),
         url = "https://gitlab.com/koreader/stardict-dictionaries/uploads/b8e8ba6b8941a78762675ff2ef95d1d1/acadfran.tar.gz",
     },
     {
         name = "Pape: Handwörterbuch der griechischen Sprache",
-        lang_in = "Ancient Greek",
-        lang_out = "German",
+        lang_in = "grc",
+        lang_out = "deu",
         entries = 98893,
         license = _("Public Domain (copyright expired, published 1880)"),
         url = "http://build.koreader.rocks/download/dict/pape_gr-de.tar.gz",
     },
     {
         name = "Georges: Ausführliches lateinisch-deutsches Handwörterbuch",
-        lang_in = "Latin",
-        lang_out = "German",
+        lang_in = "lat",
+        lang_out = "deu",
         entries = 54831,
         license = _("Public Domain (copyright expired, published 1913)"),
         url = "https://gitlab.com/koreader/stardict-dictionaries/uploads/6339585b68ac485bedb8ee67892cb974/georges_lat-de.tar.gz",
     },
     {
         name = "Georges: Kleines deutsch-lateinisches Handwörterbuch",
-        lang_in = "German",
-        lang_out = "Latin",
+        lang_in = "deu",
+        lang_out = "lat",
         entries = 26608,
         license = _("Public Domain (copyright expired, published 1910)"),
         url = "https://gitlab.com/koreader/stardict-dictionaries/uploads/a04de66c7376e436913ca288a3ca608b/georges_de-lat.tar.gz",
     },
     {
         name = "Dicionário Aberto",
-        lang_in = "Portuguese",
-        lang_out = "Portuguese",
+        lang_in = "por",
+        lang_out = "por",
         entries = 128521,
         license = _("CC-BY-SA 2.5"),
         url = "https://dicionario-aberto.net/resources/stardict-DicAberto.tar.bz2",
     },
     {
         name = "GNU/FDL Anglicko/Český slovník",
-        lang_in = "English",
-        lang_out = "Czech",
+        lang_in = "eng",
+        lang_out = "ces",
         entries = 178904, -- ~90000 each way
         license = _("GNU/FDL"),
         url = "http://http.debian.net/debian/pool/non-free/s/stardict-english-czech/stardict-english-czech_20161201.orig.tar.gz",
     },
     {
         name = "GNU/FDL Anglicko/Český slovník",
-        lang_in = "Czech",
-        lang_out = "English",
+        lang_in = "ces",
+        lang_out = "eng",
         entries = 88994,
         license = _("GNU/FDL"),
         url = "https://github.com/Vuizur/czech-dictionary-extender/releases/download/1.0.0/czech-english-dict.tar.gz",
     },
     {
         name = "GNU/FDL Německo/Český slovník",
-        lang_in = "German",
-        lang_out = "Czech",
+        lang_in = "deu",
+        lang_out = "ces",
         entries = 2341, -- ~1200 each way
         license = _("GNU/FDL"),
         url = "http://http.debian.net/debian/pool/non-free/s/stardict-german-czech/stardict-german-czech_20161201.orig.tar.gz",
     },
     {
         name = "GNU/FDL Německo/Český slovník",
-        lang_in = "Czech",
-        lang_out = "German",
+        lang_in = "ces",
+        lang_out = "deu",
         entries = 2341, -- ~1200 each way
         license = _("GNU/FDL"),
         url = "http://http.debian.net/debian/pool/non-free/s/stardict-german-czech/stardict-german-czech_20161201.orig.tar.gz",
@@ -125,2736 +125,2736 @@ local dictionaries = {
     -- Dictionaries mirrored from Sourceforge, see https://github.com/koreader/koreader/pull/3176#issuecomment-447085441
     {
         name = "Afrikaans-English dictionary",
-        lang_in = "Afrikaans",
-        lang_out = "English",
+        lang_in = "afr",
+        lang_out = "eng",
         entries = 4198,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_afrikaans-english-2.4.2.tar.gz"
     },
     {
         name = "Chinese-English dictionary",
-        lang_in = "Chinese",
-        lang_out = "English",
+        lang_in = "zho",
+        lang_out = "eng",
         entries = 26017,
         license = "from CEDICT http://www.mandarintools.com/cedict",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_chinese-eng-2.4.2.tar.gz"
     },
     {
         name = "Chinese-English dictionary",
-        lang_in = "Chinese",
-        lang_out = "English",
+        lang_in = "zho",
+        lang_out = "eng",
         entries = 26017,
         license = "from CEDICT http://www.mandarintools.com/cedict",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_sdict02_chinese-eng-2.4.2.tar.gz"
     },
     {
         name = "Computer Security (En-Ru)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 12300,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_xn_secvoc_formatted_en-ru-2.4.2.tar.gz"
     },
     {
         name = "Construction Dictionary (En-Ru)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 36936,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_xn_stroika_en-ru-2.4.2.tar.gz"
     },
     {
         name = "CyberLexicon(En-Es)",
-        lang_in = "English",
-        lang_out = "Spanish",
+        lang_in = "eng",
+        lang_out = "spa",
         entries = 861,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_cyber_lexicon_en-es-2.4.2.tar.gz"
     },
     {
         name = "Czech-Russian dictionary",
-        lang_in = "Czech",
-        lang_out = "Russian",
+        lang_in = "ces",
+        lang_out = "rus",
         entries = 9656,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_sdict02_czech-rus-2.4.2.tar.gz"
     },
     {
         name = "Danish-English dictionary",
-        lang_in = "Danish",
-        lang_out = "English",
+        lang_in = "dan",
+        lang_out = "eng",
         entries = 3323,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_danish-english-2.4.2.tar.gz"
     },
     {
         name = "Deutsch-Russian dictionary",
-        lang_in = "Deutsch",
-        lang_out = "Russian",
+        lang_in = "deu",
+        lang_out = "rus",
         entries = 12950,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/deutsch.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_deutsch_de-ru-2.4.2.tar.gz"
     },
     {
         name = "Dictionnaire des idées reçues, de Gustave Flaubert (1912).",
-        lang_in = "French",
-        lang_out = "French",
+        lang_in = "fra",
+        lang_out = "fra",
         entries = 960,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002e/stardict-user_hctr01_ideesrecues8-2.4.2.tar.gz"
     },
     {
         name = "Dutch monolingual dictionary",
-        lang_in = "Dutch",
-        lang_out = "Dutch",
+        lang_in = "nld",
+        lang_out = "nld",
         entries = 3194,
         license = "http://www.muiswerk.nl/WRDNBOEK/INHOUD.HTM",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_muiswerk-2.4.2.tar.gz"
     },
     {
         name = "Dutch-English dictionary",
-        lang_in = "Dutch",
-        lang_out = "English",
+        lang_in = "nld",
+        lang_out = "eng",
         entries = 18244,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_dutch-english-2.4.2.tar.gz"
     },
     {
-        name = "Engligh Idioms (eng-eng)",
-        lang_in = "English",
-        lang_out = "English",
+        name = "English Idioms (eng-eng)",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 8560,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_idioms_eng_eng-2.4.2.tar.gz"
     },
     {
-        name = "Engligh Idioms (eng-rus)",
-        lang_in = "English",
-        lang_out = "Russian",
+        name = "English Idioms (eng-rus)",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 9739,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_idioms_eng_rus-2.4.2.tar.gz"
     },
     {
         name = "English explanatory dictionary (main)",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 45897,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_eng_main-2.4.2.tar.gz"
     },
     {
         name = "English explanatory dictionary (new words)",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 1159,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_eng_nw-2.4.2.tar.gz"
     },
     {
         name = "English-Arabic dictionary",
-        lang_in = "English",
-        lang_out = "Arabic",
+        lang_in = "eng",
+        lang_out = "ara",
         entries = 87423,
         license = "from www.arabeyes.org",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_arabic-2.4.2.tar.gz"
     },
     {
         name = "English-Belarusian Computer Dictionary",
-        lang_in = "English",
-        lang_out = "Belarusian",
+        lang_in = "eng",
+        lang_out = "bel",
         entries = 88,
         license = "http://mova.org",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_compbe-2.4.2.tar.gz"
     },
     {
         name = "English-Bulgarian computer dictionary",
-        lang_in = "English",
-        lang_out = "Bulgarian",
+        lang_in = "eng",
+        lang_out = "bul",
         entries = 523,
         license = "SA Dictionary, http://sa.dir.bg/sa.htm",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_bulg_comp-2.4.2.tar.gz"
     },
     {
         name = "English-Finnish dictionary",
-        lang_in = "English",
-        lang_out = "Finnish",
+        lang_in = "eng",
+        lang_out = "fin",
         entries = 17851,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_fin-2.4.2.tar.gz"
     },
     {
         name = "English-German dictionary",
-        lang_in = "English",
-        lang_out = "German",
+        lang_in = "eng",
+        lang_out = "deu",
         entries = 128707,
         license = "http://www.dict.cc/",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_English_German-2.4.2.tar.gz"
     },
     {
         name = "English-Hungarian dictionary",
-        lang_in = "English",
-        lang_out = "Hungarian",
+        lang_in = "eng",
+        lang_out = "hun",
         entries = 67262,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng-hung-2.4.2.tar.gz"
     },
     {
         name = "English-Russian business dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 12673,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_rus_bus-2.4.2.tar.gz"
     },
     {
         name = "English-Russian computer dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 13163,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_rus_comp-2.4.2.tar.gz"
     },
     {
         name = "English-Russian economic dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 14436,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_rus_eco-2.4.2.tar.gz"
     },
     {
         name = "English-Russian full dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 526873,
         license = "GNU Public License.",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_rus_full-2.4.2.tar.gz"
     },
     {
         name = "English-Russian short dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 46650,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_rus_short-2.4.2.tar.gz"
     },
     {
         name = "English-Russian slang dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 850,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_rus_slang-2.4.2.tar.gz"
     },
     {
         name = "English-Serbian dictionary",
-        lang_in = "English",
-        lang_out = "Serbian",
+        lang_in = "eng",
+        lang_out = "srp",
         entries = 27546,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng_serb-2.4.2.tar.gz"
     },
     {
         name = "English-Spanish dictionary",
-        lang_in = "English",
-        lang_out = "Spanish",
+        lang_in = "eng",
+        lang_out = "spa",
         entries = 22527,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_eng-spa-2.4.2.tar.gz"
     },
     {
         name = "Esperanto-Russian dictionary",
-        lang_in = "Esperanto",
-        lang_out = "Russian",
+        lang_in = "epo",
+        lang_out = "rus",
         entries = 1378,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_Esperanto-Russian-2.4.2.tar.gz"
     },
     {
         name = "Estonian-Russian dictionary",
-        lang_in = "Estonian",
-        lang_out = "Russian",
+        lang_in = "est",
+        lang_out = "rus",
         entries = 63825,
         license = "from ER-DICT: http://sourceforge.net/projects/er-dict",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_est-rus-2.4.2.tar.gz"
     },
     {
         name = "Finnish-English dictionary",
-        lang_in = "Finnish",
-        lang_out = "English",
+        lang_in = "fin",
+        lang_out = "eng",
         entries = 2063,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_finnish-english-2.4.2.tar.gz"
     },
     {
         name = "Finnish-English dictionary",
-        lang_in = "Finnish",
-        lang_out = "English",
+        lang_in = "fin",
+        lang_out = "eng",
         entries = 29180,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_fin_eng-2.4.2.tar.gz"
     },
     {
         name = "French-English dictionary",
-        lang_in = "French",
-        lang_out = "English",
+        lang_in = "fra",
+        lang_out = "eng",
         entries = 41398,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_french-english-2.4.2.tar.gz"
     },
     {
         name = "French-Hungarian dictionary",
-        lang_in = "French",
-        lang_out = "Hungarian",
+        lang_in = "fra",
+        lang_out = "hun",
         entries = 5473,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_fr_hung-2.4.2.tar.gz"
     },
     {
         name = "Geological English-Russian dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 2275,
         license = "ftp://Somewhere/geologe.zip",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_geology_en-ru-2.4.2.tar.gz"
     },
     {
         name = "Geological Russian-English dictionary",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 1951,
         license = "ftp://Somewhere/geologe.zip",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_geology_ru-en-2.4.2.tar.gz"
     },
     {
         name = "German-English dictionary",
-        lang_in = "German",
-        lang_out = "English",
+        lang_in = "deu",
+        lang_out = "eng",
         entries = 79276,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_german_english-2.4.2.tar.gz"
     },
     {
         name = "German-English dictionary",
-        lang_in = "German",
-        lang_out = "English",
+        lang_in = "deu",
+        lang_out = "eng",
         entries = 96743,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_ger_eng-2.4.2.tar.gz"
     },
     {
         name = "German-English dictionary",
-        lang_in = "German",
-        lang_out = "English",
+        lang_in = "deu",
+        lang_out = "eng",
         entries = 96803,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_german-english-2.4.2.tar.gz"
     },
     {
         name = "German-Hungarian dictionary",
-        lang_in = "German",
-        lang_out = "Hungarian",
+        lang_in = "deu",
+        lang_out = "hun",
         entries = 22092,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_ger_hung-2.4.2.tar.gz"
     },
     {
         name = "German-Russian dictionary",
-        lang_in = "German",
-        lang_out = "Russian",
+        lang_in = "deu",
+        lang_out = "rus",
         entries = 12802,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_german_rus-2.4.2.tar.gz"
     },
     {
         name = "German-Russian dictionary (2)",
-        lang_in = "German",
-        lang_out = "Russian",
+        lang_in = "deu",
+        lang_out = "rus",
         entries = 94047,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_german_rus2-2.4.2.tar.gz"
     },
     {
         name = "Glazunov(En-Ru)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 15168,
         license = nil,
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dsl02_glazunov-2.4.2.tar.gz"
     },
     {
         name = "Grand dictionnaire de cuisine (1873)",
-        lang_in = "French",
-        lang_out = "French",
+        lang_in = "fra",
+        lang_out = "fra",
         entries = 2463,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002e/stardict-user_hctr01_dictionnaireCuisine38-2.4.2.tar.gz"
     },
     {
         name = "Hungarian-English Expressions dictionary",
-        lang_in = "Hungarian",
-        lang_out = "English",
+        lang_in = "hun",
+        lang_out = "eng",
         entries = 28215,
         license = "jDictionary project, http://jdictionary.info",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_hung_eng_expr-2.4.2.tar.gz"
     },
     {
         name = "Hungarian-English dictionary",
-        lang_in = "Hungarian",
-        lang_out = "English",
+        lang_in = "hun",
+        lang_out = "eng",
         entries = 131568,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_hungarian-english-2.4.2.tar.gz"
     },
     {
         name = "Islandsko-český slovník 1.3",
-        lang_in = "Icelandic",
-        lang_out = "Czech",
+        lang_in = "isl",
+        lang_out = "ces",
         entries = 4902,
         license = "http://www.hvalur.org",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002e/stardict-user_ales01_is_cz_dict-2.4.2.tar.gz"
     },
     {
         name = "Italian-English dictionary",
-        lang_in = "Italian",
-        lang_out = "English",
+        lang_in = "ita",
+        lang_out = "eng",
         entries = 12156,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_italian-english-2.4.2.tar.gz"
     },
     {
         name = "JMdict Japanese-English dictionary",
-        lang_in = "Japanese",
-        lang_out = "English",
+        lang_in = "jpn",
+        lang_out = "eng",
         entries = 188380,
         license = "CC-BY-SA 3.0 (from https://www.edrdg.org/wiki/index.php/JMdictDB_Project)",
         url = "https://cyphar.github.io/jpn-stardicts/JMdict-ja-en.tar.gz"
     },
     {
         name = "JMnedict Japanese-English name dictionary",
-        lang_in = "Japanese",
-        lang_out = "English",
+        lang_in = "jpn",
+        lang_out = "eng",
         entries = 741290,
         license = "CC-BY-SA 3.0 (from https://www.edrdg.org/wiki/index.php/JMdictDB_Project)",
         url = "https://cyphar.github.io/jpn-stardicts/JMnedict-ja-en.tar.gz"
     },
     {
         name = "Latin-English dictionary",
-        lang_in = "Latin",
-        lang_out = "English",
+        lang_in = "lat",
+        lang_out = "eng",
         entries = 4453,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_latin-english-2.4.2.tar.gz"
     },
     {
         name = "Lingvo GSM E (En-Ru)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 3996,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_lingvo_gsm_formatted_en-ru-2.4.2.tar.gz"
     },
     {
         name = "Mueller English-Russian Dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 45962,
         license = "http://www.chat.ru/~mueller_dic",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_mueller7-2.4.2.tar.gz"
     },
     {
         name = "Mueller English-Russian Dictionary (24th Edition)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 67066,
         license = "GPL (from http://mueller-dic.chat.ru/)",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_mueller24-2.4.2.tar.gz"
     },
     {
         name = "New Dictionary of Contemporary Informal English (Глазунов)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 15116,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_sdict02_eng_rus_glazunov-2.4.2.tar.gz"
     },
     {
         name = "Norwegian-English dictionary",
-        lang_in = "Norwegian",
-        lang_out = "English",
+        lang_in = "nor",
+        lang_out = "eng",
         entries = 8440,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_norwegian-english-2.4.2.tar.gz"
     },
     {
         name = "Portuguese-English dictionary",
-        lang_in = "Portuguese",
-        lang_out = "English",
+        lang_in = "por",
+        lang_out = "eng",
         entries = 6106,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_portuguese-english-2.4.2.tar.gz"
     },
     {
         name = "Russian-Deutsch dictionary",
-        lang_in = "Russian",
-        lang_out = "Deutsch",
+        lang_in = "rus",
+        lang_out = "deu",
         entries = 12101,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/deutsch.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_deutsch_ru-de-2.4.2.tar.gz"
     },
     {
         name = "Russian-English full dictionary",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 372553,
         license = "GNU Public License.",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_rus_eng_full-2.4.2.tar.gz"
     },
     {
         name = "Russian-English short dictionary",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 69117,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_rus_eng_short-2.4.2.tar.gz"
     },
     {
         name = "Russian-German dictionary",
-        lang_in = "Russian",
-        lang_out = "German",
+        lang_in = "rus",
+        lang_out = "deu",
         entries = 32001,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_rus_ger-2.4.2.tar.gz"
     },
     {
         name = "Russian-Russian Big Encyclopaedic Dictionary",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 70769,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_rus_bigencdic-2.4.2.tar.gz"
     },
     {
         name = "Russian-Swedish dictionary",
-        lang_in = "Russian",
-        lang_out = "Swedish",
+        lang_in = "rus",
+        lang_out = "swe",
         entries = 9917,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/deutsch.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_swedish_ru-sv-2.4.2.tar.gz"
     },
     {
         name = "Security (En-Ru)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 2216,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_Security_v8-2.4.2.tar.gz"
     },
     {
         name = "Sociology (En-Ru)",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 14688,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_xn_sociology_en-ru-2.4.2.tar.gz"
     },
     {
         name = "Spain-Russian Dictionary (Sadikov) dictionary",
-        lang_in = "Spain",
-        lang_out = "Russian",
+        lang_in = "spa",
+        lang_out = "rus",
         entries = 18534,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_sdict02_spa_rus_sadikov-2.4.2.tar.gz"
     },
     {
         name = "Spanish-English dictionary",
-        lang_in = "Spanish",
-        lang_out = "English",
+        lang_in = "spa",
+        lang_out = "eng",
         entries = 23670,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_spanish-english-2.4.2.tar.gz"
     },
     {
         name = "Suomen kielen perussanakirja (pieni versio)",
-        lang_in = "Finnish",
-        lang_out = "Finnish",
+        lang_in = "fin",
+        lang_out = "fin",
         entries = 93488,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_fifi_norm-2.4.2.tar.gz"
     },
     {
         name = "Suomen kielen perussanakirja (suuri versio)",
-        lang_in = "Finnish",
-        lang_out = "Finnish",
+        lang_in = "fin",
+        lang_out = "fin",
         entries = 695069,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_fifi_plus-2.4.2.tar.gz"
     },
     {
         name = "Swahili-English dictionary",
-        lang_in = "Swahili",
-        lang_out = "English",
+        lang_in = "swa",
+        lang_out = "eng",
         entries = 759,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_swahili-english-2.4.2.tar.gz"
     },
     {
         name = "Swedish-English dictionary",
-        lang_in = "Swedish",
-        lang_out = "English",
+        lang_in = "swe",
+        lang_out = "eng",
         entries = 30260,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_swedish-english-2.4.2.tar.gz"
     },
     {
         name = "Swedish-Russian dictionary",
-        lang_in = "Swedish",
-        lang_out = "Russian",
+        lang_in = "swe",
+        lang_out = "rus",
         entries = 10386,
         license = "ftp://ftp.dvo.ru/pub/dicts/src/schweden.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_swedish_sv-ru-2.4.2.tar.gz"
     },
     {
         name = "The Open English-Russian Computer Dictionary",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 1259,
         license = "http://www.chat.ru/~mueller_dic",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_engcom-2.4.2.tar.gz"
     },
     {
         name = "Tradeport Business Glossary (En)",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 2993,
         license = "Tradeport Business Glossary http://www.englspace.com/dl/details/dic_tradebusglossary.shtml",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002b/stardict-comn_dls03_tradeport_gloss_en-en-2.4.2.tar.gz"
     },
     {
         name = "U.S. Gazetteer (1990)",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 52991,
         license = "Public Domain",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_gazetteer-2.4.2.tar.gz"
     },
     {
         name = "Universal(Sp-Ru)",
-        lang_in = "Spanish",
-        lang_out = "Russian",
+        lang_in = "spa",
+        lang_out = "rus",
         entries = 19191,
         license = nil,
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dsl02_sadikov-2.4.2.tar.gz"
     },
     {
         name = "Universale(It-Ru)",
-        lang_in = "Italian",
-        lang_out = "Russian",
+        lang_in = "ita",
+        lang_out = "rus",
         entries = 64231,
         license = nil,
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dsl02_zorko-2.4.2.tar.gz"
     },
     {
         name = "WordNet (r) 1.7",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 136970,
         license = "http://www.cogsci.princeton.edu/~wn/",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_wn-2.4.2.tar.gz"
     },
     {
         name = "eng-rus_computer",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 5152,
         license = "GPL? See http://gambit.com.ru/~wolf/dic/ ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_eng-rus_computer-2.4.2.tar.gz"
     },
     {
         name = "eng-rus_math-alexandrov",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 2084,
         license = "GPL",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_eng-rus_math-alexandrov-2.4.2.tar.gz"
     },
     {
         name = "eng-rus_math_alexandrov",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 6912,
         license = "GPL",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_eng-rus_math_alexandrov-2.4.2.tar.gz"
     },
     {
         name = "eng-transcr_0107",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 45888,
         license = "Electronic Version by E.S.Cymbalyuk 1999 under GNU GPL, ver. 0.8",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_eng-transcr_0107-2.4.2.tar.gz"
     },
     {
         name = "korolew_enru",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 32791,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/korolew_enru.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_korolew_en-ru-2.4.2.tar.gz"
     },
     {
         name = "korolew_ru-en",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 31671,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/korolew_ruen.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_korolew_ru-en-2.4.2.tar.gz"
     },
     {
         name = "rus-eng_korolew",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 32366,
         license = "GPL? See http://gambit.com.ru/~wolf/dic/ ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_rus-eng_korolew-2.4.2.tar.gz"
     },
     {
         name = "rus-rus_beslov",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 65372,
         license = "See translation for <<00-database-...>> ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_rus-rus_beslov-2.4.2.tar.gz"
     },
     {
         name = "rus-rus_brok_efr",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 4893,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_rus-rus_brok_efr-2.4.2.tar.gz"
     },
     {
         name = "rus-rus_ozhshv",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 38845,
         license = "See translation for <<00-database-...>> ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_rus-rus_ozhshv-2.4.2.tar.gz"
     },
     {
         name = "rus-rus_ushakov",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 81573,
         license = "See translation for <<00-database-...>> ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_rus-rus_ushakov-2.4.2.tar.gz"
     },
     {
         name = "rus-ukr_slovnyk",
-        lang_in = "Russian",
-        lang_out = "Ukrainian",
+        lang_in = "rus",
+        lang_out = "ukr",
         entries = 458787,
         license = "See translation for <<00-database-...>> ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_rus-ukr_slovnyk-2.4.2.tar.gz"
     },
     {
         name = "sinyagin_general_er",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 17303,
         license = "http://sinyagin.pp.ru/engrus-mirrors.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_sinyagin_general_er-2.4.2.tar.gz"
     },
     {
         name = "sinyagin_general_re",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 20357,
         license = "http://sinyagin.pp.ru/engrus-mirrors.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_sinyagin_general_re-2.4.2.tar.gz"
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     {
         name = "slovnyk_be-en",
-        lang_in = "Belarusian",
-        lang_out = "English",
+        lang_in = "bel",
+        lang_out = "eng",
         entries = 4967,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_be-en-2.4.2.tar.gz"
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     {
         name = "slovnyk_be-pl",
-        lang_in = "Belarusian",
-        lang_out = "Polish",
+        lang_in = "bel",
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         entries = 1344,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_be-pl-2.4.2.tar.gz"
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     {
         name = "slovnyk_be-ru",
-        lang_in = "Belarusian",
-        lang_out = "Russian",
+        lang_in = "bel",
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         entries = 7738,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_be-ru-2.4.2.tar.gz"
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     {
         name = "slovnyk_be-uk",
-        lang_in = "Belarusian",
-        lang_out = "Ukrainian",
+        lang_in = "bel",
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         entries = 6826,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_be-uk-2.4.2.tar.gz"
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     {
         name = "slovnyk_en-be",
-        lang_in = "English",
-        lang_out = "Belarusian",
+        lang_in = "eng",
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         entries = 10866,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_en-be-2.4.2.tar.gz"
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     {
         name = "slovnyk_en-pl",
-        lang_in = "English",
-        lang_out = "Polish",
+        lang_in = "eng",
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         entries = 15420,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_en-pl-2.4.2.tar.gz"
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     {
         name = "slovnyk_en-ru",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
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         entries = 57508,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_en-ru-2.4.2.tar.gz"
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     {
         name = "slovnyk_en-uk",
-        lang_in = "English",
-        lang_out = "Ukrainian",
+        lang_in = "eng",
+        lang_out = "ukr",
         entries = 62785,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_en-uk-2.4.2.tar.gz"
     },
     {
         name = "slovnyk_pl-be",
-        lang_in = "Polish",
-        lang_out = "Belarusian",
+        lang_in = "pol",
+        lang_out = "bel",
         entries = 3532,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_pl-be-2.4.2.tar.gz"
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     {
         name = "slovnyk_pl-en",
-        lang_in = "Polish",
-        lang_out = "English",
+        lang_in = "pol",
+        lang_out = "eng",
         entries = 20084,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_pl-en-2.4.2.tar.gz"
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     {
         name = "slovnyk_pl-ru",
-        lang_in = "Polish",
-        lang_out = "Russian",
+        lang_in = "pol",
+        lang_out = "rus",
         entries = 12789,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_pl-ru-2.4.2.tar.gz"
     },
     {
         name = "slovnyk_pl-uk",
-        lang_in = "Polish",
-        lang_out = "Ukrainian",
+        lang_in = "pol",
+        lang_out = "ukr",
         entries = 17430,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_pl-uk-2.4.2.tar.gz"
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     {
         name = "slovnyk_ru-be",
-        lang_in = "Russian",
-        lang_out = "Belarusian",
+        lang_in = "rus",
+        lang_out = "bel",
         entries = 12524,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_ru-be-2.4.2.tar.gz"
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     {
         name = "slovnyk_ru-en",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
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         entries = 55815,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_ru-en-2.4.2.tar.gz"
     },
     {
         name = "slovnyk_ru-pl",
-        lang_in = "Russian",
-        lang_out = "Polish",
+        lang_in = "rus",
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         entries = 15488,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_ru-pl-2.4.2.tar.gz"
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     {
         name = "slovnyk_ru-uk",
-        lang_in = "Russian",
-        lang_out = "Ukrainian",
+        lang_in = "rus",
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         entries = 458782,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_ru-uk-2.4.2.tar.gz"
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     {
         name = "slovnyk_uk-be",
-        lang_in = "Ukrainian",
-        lang_out = "Belarusian",
+        lang_in = "ukr",
+        lang_out = "bel",
         entries = 11864,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_uk-be-2.4.2.tar.gz"
     },
     {
         name = "slovnyk_uk-en",
-        lang_in = "Ukrainian",
-        lang_out = "English",
+        lang_in = "ukr",
+        lang_out = "eng",
         entries = 53938,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_uk-en-2.4.2.tar.gz"
     },
     {
         name = "slovnyk_uk-pl",
-        lang_in = "Ukrainian",
-        lang_out = "Polish",
+        lang_in = "ukr",
+        lang_out = "pol",
         entries = 16734,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_uk-pl-2.4.2.tar.gz"
     },
     {
         name = "slovnyk_uk-ru",
-        lang_in = "Ukrainian",
-        lang_out = "Russian",
+        lang_in = "ukr",
+        lang_out = "rus",
         entries = 440072,
         license = "http://www.slovnyk.org/prg/gszotar/index.html",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_slovnyk_uk-ru-2.4.2.tar.gz"
     },
     {
         name = "sokrat_enru",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 55823,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/sokrat_enru.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_sokrat_en-ru-2.4.2.tar.gz"
     },
     {
         name = "sokrat_ruen",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 49856,
         license = "ftp://ftp.ifmo.ru/unix/unix-soft/utils/dictionaries/slowo/dicts/sokrat_ruen.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_sokrat_ru-en-2.4.2.tar.gz"
     },
     {
         name = "ukr-rus_slovnyk",
-        lang_in = "Ukrainian",
-        lang_out = "Russian",
+        lang_in = "ukr",
+        lang_out = "rus",
         entries = 440077,
         license = "See translation for <<00-database-...>> ",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-atla02_ukr-rus_slovnyk-2.4.2.tar.gz"
     },
     {
         name = "Великий тлумачний словник сучасної української мови",
-        lang_in = "Ukrainian",
-        lang_out = "Ukrainian",
+        lang_in = "ukr",
+        lang_out = "ukr",
         entries = 202274,
         license = "https://uk.wikipedia.org/wiki/Український_тлумачний_словник",
         url = "https://github.com/hius07/dictionary/raw/main/explanatory-uk-uk.tar.gz"
     },
     {
         name = "Белорусско-русский словарь",
-        lang_in = "Belarusian",
-        lang_out = "Russian",
+        lang_in = "bel",
+        lang_out = "rus",
         entries = 52010,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_BelRusVorvul-2.4.2.tar.gz"
     },
     {
         name = "Большая Советская Энциклопедия",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 95058,
         license = "GNU Public License",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_rus_bse-2.4.2.tar.gz"
     },
     {
         name = "Большой Энциклопедический Словарь",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 65390,
         license = "ftp://ftp.spez.kharkov.ua/pub/fileecho/book/beslov01.ha ftp://ftp.spez.kharkov.ua/pub/fileecho/book/beslov02.ha",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_beslov-2.4.2.tar.gz"
     },
     {
         name = "Большой Юридический словарь",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 6800,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_rus_big_jurid-2.4.2.tar.gz"
     },
     {
         name = "Латинско-русский словарь",
-        lang_in = "Latin",
-        lang_out = "Russian",
+        lang_in = "lat",
+        lang_out = "rus",
         entries = 7812,
         license = "http://ornemus.da.ru/",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_latrus-2.4.2.tar.gz"
     },
     {
         name = "Медицинский словарь",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 1191,
         license = "http://users.i.com.ua/~viorell/meddic.rar",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_meddict-2.4.2.tar.gz"
     },
     {
         name = "Новый Большой англо-русский словарь",
-        lang_in = "English",
-        lang_out = "Russian",
+        lang_in = "eng",
+        lang_out = "rus",
         entries = 109600,
         license = "http://transmagus-dic.chat.ru/magus.tgz",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_magus-2.4.2.tar.gz"
     },
     {
         name = "Русский Викисловарь",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 334418,
         license = "CC-BY-SA/GFDL (dual-licensed)",
         url = "https://github.com/Vuizur/ruwiktionary-htmldump-parser/raw/master/Russian-Russian-dict.tar.gz"
     },
     {
         name = "Русско-Белорусский математический словарь",
-        lang_in = "Russian",
-        lang_out = "Belarusian",
+        lang_in = "rus",
+        lang_out = "bel",
         entries = 2366,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_RusBelMath-2.4.2.tar.gz"
     },
     {
         name = "Русско-Белорусский универсальный словарь",
-        lang_in = "Russian",
-        lang_out = "Belarusian",
+        lang_in = "rus",
+        lang_out = "bel",
         entries = 106449,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_RusBelUniversal-2.4.2.tar.gz"
     },
     {
         name = "Русско-Белорусский физико-математический словарь",
-        lang_in = "Russian",
-        lang_out = "Belarusian",
+        lang_in = "rus",
+        lang_out = "bel",
         entries = 18496,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002d/stardict-comn_sdict_axm05_RusBelFizmat-2.4.2.tar.gz"
     },
     {
         name = "Русско-английский словарь идиом",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 682,
         license = "http://www.lingvo.ru/upload//contents/336/idioms.zip",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_idioms-2.4.2.tar.gz"
     },
     {
         name = "Словарь Ефремовой",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 135598,
         license = "Converted from ftp://files.zipsites.ru/slovari/ by swaj",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_sdict02_ru_efremova-2.4.2.tar.gz"
     },
     {
         name = "Толковый словарь Ожегова",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 38832,
         license = "http://speakrus.narod.ru/zaliznyak/ozhegovw.zip",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_ozhegov-2.4.2.tar.gz"
     },
     {
         name = "Толковый словарь Ушакова",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 81261,
         license = "http://ushdict.narod.ru/archive/ushak1.zip http://ushdict.narod.ru/archive/ushak2.zip",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_ushakov-2.4.2.tar.gz"
     },
     {
         name = "Толковый словарь живого великорусского языка",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 43992,
         license = "http://www.booksite.ru/fulltext/RUSSIAN/DICTION/DALF.RAR",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/001/stardict-comn_dictd03_dalf-2.4.2.tar.gz"
     },
     {
         name = "Энциклопедический словарь / Брокгауз Ф.А. Ефрон И.А.",
-        lang_in = "Russian",
-        lang_out = "Russian",
+        lang_in = "rus",
+        lang_out = "rus",
         entries = 120237,
         license = "",
         url = "https://gitlab.com/avsej/dicts-stardict-form-xdxf/raw/d636cc5e8d4a47e22ac7466f4af6d435a8a3f650/002c/stardict-comn_sdict05_brokg-2.4.2.tar.gz"
     },
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         name = "Adyghe-English Wiktionary",
-        lang_in = "Adyghe",
-        lang_out = "English",
+        lang_in = "ady",
+        lang_out = "eng",
         entries = 4576,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Adyghe-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Afar-English Wiktionary",
-        lang_in = "Afar",
-        lang_out = "English",
+        lang_in = "aar",
+        lang_out = "eng",
         entries = 1238,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Afar-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Afrikaans-English Wiktionary",
-        lang_in = "Afrikaans",
-        lang_out = "English",
+        lang_in = "afr",
+        lang_out = "eng",
         entries = 4175,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Afrikaans-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Albanian-English Wiktionary",
-        lang_in = "Albanian",
-        lang_out = "English",
+        lang_in = "sqi",
+        lang_out = "eng",
         entries = 6552,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Albanian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Alemannic German-English Wiktionary",
-        lang_in = "Alemannic German",
-        lang_out = "English",
+        lang_in = "gsw",
+        lang_out = "eng",
         entries = 1710,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Alemannic%20German-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ancient Greek-English Wiktionary",
-        lang_in = "Ancient Greek",
-        lang_out = "English",
+        lang_in = "grc",
+        lang_out = "eng",
         entries = 15639,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ancient%20Greek-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Arabic-English Wiktionary",
-        lang_in = "Arabic",
-        lang_out = "English",
+        lang_in = "ara",
+        lang_out = "eng",
         entries = 15428,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Arabic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Aramaic-English Wiktionary",
-        lang_in = "Aramaic",
-        lang_out = "English",
+        lang_in = "arc",
+        lang_out = "eng",
         entries = 1750,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Aramaic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Armenian-English Wiktionary",
-        lang_in = "Armenian",
-        lang_out = "English",
+        lang_in = "hye",
+        lang_out = "eng",
         entries = 14806,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Armenian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Aromanian-English Wiktionary",
-        lang_in = "Aromanian",
-        lang_out = "English",
+        lang_in = "rup",
+        lang_out = "eng",
         entries = 3011,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Aromanian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Assamese-English Wiktionary",
-        lang_in = "Assamese",
-        lang_out = "English",
+        lang_in = "asm",
+        lang_out = "eng",
         entries = 3360,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Assamese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Assyrian Neo-Aramaic-English Wiktionary",
-        lang_in = "Assyrian Neo-Aramaic",
-        lang_out = "English",
+        lang_in = "aii",
+        lang_out = "eng",
         entries = 1194,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Assyrian%20Neo-Aramaic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Asturian-English Wiktionary",
-        lang_in = "Asturian",
-        lang_out = "English",
+        lang_in = "ast",
+        lang_out = "eng",
         entries = 5028,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Asturian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Azerbaijani-English Wiktionary",
-        lang_in = "Azerbaijani",
-        lang_out = "English",
+        lang_in = "aze",
+        lang_out = "eng",
         entries = 7721,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Azerbaijani-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Bashkir-English Wiktionary",
-        lang_in = "Bashkir",
-        lang_out = "English",
+        lang_in = "bak",
+        lang_out = "eng",
         entries = 2536,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Bashkir-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Basque-English Wiktionary",
-        lang_in = "Basque",
-        lang_out = "English",
+        lang_in = "eus",
+        lang_out = "eng",
         entries = 4265,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Basque-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Belarusian-English Wiktionary",
-        lang_in = "Belarusian",
-        lang_out = "English",
+        lang_in = "bel",
+        lang_out = "eng",
         entries = 3491,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Belarusian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Bengali-English Wiktionary",
-        lang_in = "Bengali",
-        lang_out = "English",
+        lang_in = "ben",
+        lang_out = "eng",
         entries = 4841,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Bengali-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Bikol Central-English Wiktionary",
-        lang_in = "Bikol Central",
-        lang_out = "English",
+        lang_in = "bik",
+        lang_out = "eng",
         entries = 4459,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Bikol%20Central-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Breton-English Wiktionary",
-        lang_in = "Breton",
-        lang_out = "English",
+        lang_in = "bre",
+        lang_out = "eng",
         entries = 1385,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Breton-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Bulgarian-English Wiktionary",
-        lang_in = "Bulgarian",
-        lang_out = "English",
+        lang_in = "bul",
+        lang_out = "eng",
         entries = 8251,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Bulgarian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Burmese-English Wiktionary",
-        lang_in = "Burmese",
-        lang_out = "English",
+        lang_in = "mya",
+        lang_out = "eng",
         entries = 5382,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Burmese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Cantonese-English Wiktionary",
-        lang_in = "Cantonese",
-        lang_out = "English",
+        lang_in = "yue",
+        lang_out = "eng",
         entries = 5039,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Cantonese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Cebuano-English Wiktionary",
-        lang_in = "Cebuano",
-        lang_out = "English",
+        lang_in = "ceb",
+        lang_out = "eng",
         entries = 11161,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Cebuano-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Central Nahuatl-English Wiktionary",
-        lang_in = "Central Nahuatl",
-        lang_out = "English",
+        lang_in = "nch",
+        lang_out = "eng",
         entries = 1534,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Central%20Nahuatl-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Cherokee-English Wiktionary",
-        lang_in = "Cherokee",
-        lang_out = "English",
+        lang_in = "chr",
+        lang_out = "eng",
         entries = 1833,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Cherokee-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Chinese-English Wiktionary",
-        lang_in = "Chinese",
-        lang_out = "English",
+        lang_in = "zho",
+        lang_out = "eng",
         entries = 148734,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Chinese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Cimbrian-English Wiktionary",
-        lang_in = "Cimbrian",
-        lang_out = "English",
+        lang_in = "cim",
+        lang_out = "eng",
         entries = 2531,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Cimbrian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Classical Nahuatl-English Wiktionary",
-        lang_in = "Classical Nahuatl",
-        lang_out = "English",
+        lang_in = "nci",
+        lang_out = "eng",
         entries = 2267,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Classical%20Nahuatl-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Classical Syriac-English Wiktionary",
-        lang_in = "Classical Syriac",
-        lang_out = "English",
+        lang_in = "syc",
+        lang_out = "eng",
         entries = 2336,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Classical%20Syriac-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Coptic-English Wiktionary",
-        lang_in = "Coptic",
-        lang_out = "English",
+        lang_in = "cop",
+        lang_out = "eng",
         entries = 1881,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Coptic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Cornish-English Wiktionary",
-        lang_in = "Cornish",
-        lang_out = "English",
+        lang_in = "cor",
+        lang_out = "eng",
         entries = 1422,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Cornish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Crimean Tatar-English Wiktionary",
-        lang_in = "Crimean Tatar",
-        lang_out = "English",
+        lang_in = "crh",
+        lang_out = "eng",
         entries = 2222,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Crimean%20Tatar-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Czech-English Wiktionary",
-        lang_in = "Czech",
-        lang_out = "English",
+        lang_in = "ces",
+        lang_out = "eng",
         entries = 34065,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Czech-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Dalmatian-English Wiktionary",
-        lang_in = "Dalmatian",
-        lang_out = "English",
+        lang_in = "dlm",
+        lang_out = "eng",
         entries = 1010,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Dalmatian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Danish-English Wiktionary",
-        lang_in = "Danish",
-        lang_out = "English",
+        lang_in = "dan",
+        lang_out = "eng",
         entries = 15118,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Danish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Dhivehi-English Wiktionary",
-        lang_in = "Dhivehi",
-        lang_out = "English",
+        lang_in = "div",
+        lang_out = "eng",
         entries = 1007,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Dhivehi-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "English-English Wiktionary",
-        lang_in = "English",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 462079,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/English-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Esperanto-English Wiktionary",
-        lang_in = "Esperanto",
-        lang_out = "English",
+        lang_in = "epo",
+        lang_out = "eng",
         entries = 17861,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Esperanto-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Estonian-English Wiktionary",
-        lang_in = "Estonian",
-        lang_out = "English",
+        lang_in = "est",
+        lang_out = "eng",
         entries = 5647,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Estonian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Faroese-English Wiktionary",
-        lang_in = "Faroese",
-        lang_out = "English",
+        lang_in = "fao",
+        lang_out = "eng",
         entries = 4690,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Faroese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Finnish-English Wiktionary",
-        lang_in = "Finnish",
-        lang_out = "English",
+        lang_in = "fin",
+        lang_out = "eng",
         entries = 144985,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Finnish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "French-English Wiktionary",
-        lang_in = "French",
-        lang_out = "English",
+        lang_in = "fra",
+        lang_out = "eng",
         entries = 79451,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/French-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Friulian-English Wiktionary",
-        lang_in = "Friulian",
-        lang_out = "English",
+        lang_in = "fur",
+        lang_out = "eng",
         entries = 1752,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Friulian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Galician-English Wiktionary",
-        lang_in = "Galician",
-        lang_out = "English",
+        lang_in = "glg",
+        lang_out = "eng",
         entries = 13624,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Galician-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Georgian-English Wiktionary",
-        lang_in = "Georgian",
-        lang_out = "English",
+        lang_in = "kat",
+        lang_out = "eng",
         entries = 14717,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Georgian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "German-English Wiktionary",
-        lang_in = "German",
-        lang_out = "English",
+        lang_in = "deu",
+        lang_out = "eng",
         entries = 70435,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/German-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Gothic-English Wiktionary",
-        lang_in = "Gothic",
-        lang_out = "English",
+        lang_in = "got",
+        lang_out = "eng",
         entries = 15889,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Gothic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Greek-English Wiktionary",
-        lang_in = "Greek",
-        lang_out = "English",
+        lang_in = "ell",
+        lang_out = "eng",
         entries = 31707,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Greek-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Greenlandic-English Wiktionary",
-        lang_in = "Greenlandic",
-        lang_out = "English",
+        lang_in = "kal",
+        lang_out = "eng",
         entries = 1624,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Greenlandic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Gujarati-English Wiktionary",
-        lang_in = "Gujarati",
-        lang_out = "English",
+        lang_in = "guj",
+        lang_out = "eng",
         entries = 3204,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Gujarati-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Haitian Creole-English Wiktionary",
-        lang_in = "Haitian Creole",
-        lang_out = "English",
+        lang_in = "hat",
+        lang_out = "eng",
         entries = 1232,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Haitian%20Creole-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hausa-English Wiktionary",
-        lang_in = "Hausa",
-        lang_out = "English",
+        lang_in = "hau",
+        lang_out = "eng",
         entries = 1571,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hausa-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hawaiian-English Wiktionary",
-        lang_in = "Hawaiian",
-        lang_out = "English",
+        lang_in = "haw",
+        lang_out = "eng",
         entries = 1602,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hawaiian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hebrew-English Wiktionary",
-        lang_in = "Hebrew",
-        lang_out = "English",
+        lang_in = "heb",
+        lang_out = "eng",
         entries = 9511,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hebrew-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hiligaynon-English Wiktionary",
-        lang_in = "Hiligaynon",
-        lang_out = "English",
+        lang_in = "hil",
+        lang_out = "eng",
         entries = 1555,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hiligaynon-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hindi-English Wiktionary",
-        lang_in = "Hindi",
-        lang_out = "English",
+        lang_in = "hin",
+        lang_out = "eng",
         entries = 13516,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hindi-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hungarian-English Wiktionary",
-        lang_in = "Hungarian",
-        lang_out = "English",
+        lang_in = "hun",
+        lang_out = "eng",
         entries = 33579,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hungarian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Hunsrik-English Wiktionary",
-        lang_in = "Hunsrik",
-        lang_out = "English",
+        lang_in = "hrx",
+        lang_out = "eng",
         entries = 1373,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Hunsrik-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Icelandic-English Wiktionary",
-        lang_in = "Icelandic",
-        lang_out = "English",
+        lang_in = "isl",
+        lang_out = "eng",
         entries = 16129,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Icelandic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ido-English Wiktionary",
-        lang_in = "Ido",
-        lang_out = "English",
+        lang_in = "ido",
+        lang_out = "eng",
         entries = 6441,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ido-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Indonesian-English Wiktionary",
-        lang_in = "Indonesian",
-        lang_out = "English",
+        lang_in = "ind",
+        lang_out = "eng",
         entries = 12569,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Indonesian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ingrian-English Wiktionary",
-        lang_in = "Ingrian",
-        lang_out = "English",
+        lang_in = "izh",
+        lang_out = "eng",
         entries = 2308,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ingrian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Interlingua-English Wiktionary",
-        lang_in = "Interlingua",
-        lang_out = "English",
+        lang_in = "ina",
+        lang_out = "eng",
         entries = 2124,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Interlingua-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Irish-English Wiktionary",
-        lang_in = "Irish",
-        lang_out = "English",
+        lang_in = "gle",
+        lang_out = "eng",
         entries = 18130,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Irish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Italian-English Wiktionary",
-        lang_in = "Italian",
-        lang_out = "English",
+        lang_in = "ita",
+        lang_out = "eng",
         entries = 114426,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Italian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Japanese-English Wiktionary",
-        lang_in = "Japanese",
-        lang_out = "English",
+        lang_in = "jpn",
+        lang_out = "eng",
         entries = 102939,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Japanese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Javanese-English Wiktionary",
-        lang_in = "Javanese",
-        lang_out = "English",
+        lang_in = "jav",
+        lang_out = "eng",
         entries = 1942,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Javanese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Jeju-English Wiktionary",
-        lang_in = "Jeju",
-        lang_out = "English",
+        lang_in = "jje",
+        lang_out = "eng",
         entries = 1019,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Jeju-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kabuverdianu-English Wiktionary",
-        lang_in = "Kabuverdianu",
-        lang_out = "English",
+        lang_in = "kea",
+        lang_out = "eng",
         entries = 1034,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kabuverdianu-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kannada-English Wiktionary",
-        lang_in = "Kannada",
-        lang_out = "English",
+        lang_in = "kan",
+        lang_out = "eng",
         entries = 1410,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kannada-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kashmiri-English Wiktionary",
-        lang_in = "Kashmiri",
-        lang_out = "English",
+        lang_in = "kas",
+        lang_out = "eng",
         entries = 1335,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kashmiri-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kazakh-English Wiktionary",
-        lang_in = "Kazakh",
-        lang_out = "English",
+        lang_in = "kaz",
+        lang_out = "eng",
         entries = 8148,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kazakh-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Khmer-English Wiktionary",
-        lang_in = "Khmer",
-        lang_out = "English",
+        lang_in = "khm",
+        lang_out = "eng",
         entries = 6770,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Khmer-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kikuyu-English Wiktionary",
-        lang_in = "Kikuyu",
-        lang_out = "English",
+        lang_in = "kik",
+        lang_out = "eng",
         entries = 1044,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kikuyu-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Korean-English Wiktionary",
-        lang_in = "Korean",
-        lang_out = "English",
+        lang_in = "kor",
+        lang_out = "eng",
         entries = 40318,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Korean-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kumyk-English Wiktionary",
-        lang_in = "Kumyk",
-        lang_out = "English",
+        lang_in = "kum",
+        lang_out = "eng",
         entries = 1135,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kumyk-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Kyrgyz-English Wiktionary",
-        lang_in = "Kyrgyz",
-        lang_out = "English",
+        lang_in = "kir",
+        lang_out = "eng",
         entries = 2089,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Kyrgyz-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ladin-English Wiktionary",
-        lang_in = "Ladin",
-        lang_out = "English",
+        lang_in = "lld",
+        lang_out = "eng",
         entries = 1410,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ladin-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ladino-English Wiktionary",
-        lang_in = "Ladino",
-        lang_out = "English",
+        lang_in = "lad",
+        lang_out = "eng",
         entries = 1526,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ladino-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Lao-English Wiktionary",
-        lang_in = "Lao",
-        lang_out = "English",
+        lang_in = "lao",
+        lang_out = "eng",
         entries = 1844,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Lao-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Latin-English Wiktionary",
-        lang_in = "Latin",
-        lang_out = "English",
+        lang_in = "lat",
+        lang_out = "eng",
         entries = 37381,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Latin-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Latvian-English Wiktionary",
-        lang_in = "Latvian",
-        lang_out = "English",
+        lang_in = "lav",
+        lang_out = "eng",
         entries = 16341,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Latvian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Laz-English Wiktionary",
-        lang_in = "Laz",
-        lang_out = "English",
+        lang_in = "lzz",
+        lang_out = "eng",
         entries = 1025,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Laz-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Lithuanian-English Wiktionary",
-        lang_in = "Lithuanian",
-        lang_out = "English",
+        lang_in = "lit",
+        lang_out = "eng",
         entries = 6997,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Lithuanian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Lower Sorbian-English Wiktionary",
-        lang_in = "Lower Sorbian",
-        lang_out = "English",
+        lang_in = "dsb",
+        lang_out = "eng",
         entries = 1391,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Lower%20Sorbian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Luxembourgish-English Wiktionary",
-        lang_in = "Luxembourgish",
-        lang_out = "English",
+        lang_in = "ltz",
+        lang_out = "eng",
         entries = 5576,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Luxembourgish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Macedonian-English Wiktionary",
-        lang_in = "Macedonian",
-        lang_out = "English",
+        lang_in = "mkd",
+        lang_out = "eng",
         entries = 41484,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Macedonian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Malagasy-English Wiktionary",
-        lang_in = "Malagasy",
-        lang_out = "English",
+        lang_in = "mlg",
+        lang_out = "eng",
         entries = 3620,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Malagasy-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Malay-English Wiktionary",
-        lang_in = "Malay",
-        lang_out = "English",
+        lang_in = "msa",
+        lang_out = "eng",
         entries = 5898,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Malay-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Malayalam-English Wiktionary",
-        lang_in = "Malayalam",
-        lang_out = "English",
+        lang_in = "mal",
+        lang_out = "eng",
         entries = 6536,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Malayalam-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Maltese-English Wiktionary",
-        lang_in = "Maltese",
-        lang_out = "English",
+        lang_in = "mlt",
+        lang_out = "eng",
         entries = 6803,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Maltese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Manchu-English Wiktionary",
-        lang_in = "Manchu",
-        lang_out = "English",
+        lang_in = "mnc",
+        lang_out = "eng",
         entries = 2049,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Manchu-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Mandarin-English Wiktionary",
-        lang_in = "Mandarin",
-        lang_out = "English",
+        lang_in = "cmn",
+        lang_out = "eng",
         entries = 64419,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Mandarin-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Manx-English Wiktionary",
-        lang_in = "Manx",
-        lang_out = "English",
+        lang_in = "glv",
+        lang_out = "eng",
         entries = 5766,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Manx-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Maori-English Wiktionary",
-        lang_in = "Maori",
-        lang_out = "English",
+        lang_in = "mri",
+        lang_out = "eng",
         entries = 1457,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Maori-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Maquiritari-English Wiktionary",
-        lang_in = "Maquiritari",
-        lang_out = "English",
+        lang_in = "mch",
+        lang_out = "eng",
         entries = 1091,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Maquiritari-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Marathi-English Wiktionary",
-        lang_in = "Marathi",
-        lang_out = "English",
+        lang_in = "mar",
+        lang_out = "eng",
         entries = 1995,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Marathi-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Marshallese-English Wiktionary",
-        lang_in = "Marshallese",
-        lang_out = "English",
+        lang_in = "mah",
+        lang_out = "eng",
         entries = 1029,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Marshallese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Middle Dutch-English Wiktionary",
-        lang_in = "Middle Dutch",
-        lang_out = "English",
+        lang_in = "dum",
+        lang_out = "eng",
         entries = 1466,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Middle%20Dutch-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Middle English-English Wiktionary",
-        lang_in = "Middle English",
-        lang_out = "English",
+        lang_in = "enm",
+        lang_out = "eng",
         entries = 9469,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Middle%20English-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Middle French-English Wiktionary",
-        lang_in = "Middle French",
-        lang_out = "English",
+        lang_in = "frm",
+        lang_out = "eng",
         entries = 3252,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Middle%20French-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Mongolian-English Wiktionary",
-        lang_in = "Mongolian",
-        lang_out = "English",
+        lang_in = "mon",
+        lang_out = "eng",
         entries = 3493,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Mongolian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Moroccan Arabic-English Wiktionary",
-        lang_in = "Moroccan Arabic",
-        lang_out = "English",
+        lang_in = "ary",
+        lang_out = "eng",
         entries = 1504,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Moroccan%20Arabic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Navajo-English Wiktionary",
-        lang_in = "Navajo",
-        lang_out = "English",
+        lang_in = "nav",
+        lang_out = "eng",
         entries = 4304,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Navajo-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Norman-English Wiktionary",
-        lang_in = "Norman",
-        lang_out = "English",
+        lang_in = "nrf",
+        lang_out = "eng",
         entries = 7421,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Norman-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Northern Kurdish-English Wiktionary",
-        lang_in = "Northern Kurdish",
-        lang_out = "English",
+        lang_in = "kur",
+        lang_out = "eng",
         entries = 2591,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Northern%20Kurdish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Northern Sami-English Wiktionary",
-        lang_in = "Northern Sami",
-        lang_out = "English",
+        lang_in = "xxps",
+        lang_out = "eng",
         entries = 3773,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Northern%20Sami-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Norwegian Bokmål-English Wiktionary",
-        lang_in = "Norwegian Bokmål",
-        lang_out = "English",
+        lang_in = "nob",
+        lang_out = "eng",
         entries = 20431,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Norwegian%20Bokmål-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Norwegian Nynorsk-English Wiktionary",
-        lang_in = "Norwegian Nynorsk",
-        lang_out = "English",
+        lang_in = "nno",
+        lang_out = "eng",
         entries = 20224,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Norwegian%20Nynorsk-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Occitan-English Wiktionary",
-        lang_in = "Occitan",
-        lang_out = "English",
+        lang_in = "oci",
+        lang_out = "eng",
         entries = 4035,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Occitan-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old Armenian-English Wiktionary",
-        lang_in = "Old Armenian",
-        lang_out = "English",
+        lang_in = "xcl",
+        lang_out = "eng",
         entries = 4999,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20Armenian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old Church Slavonic-English Wiktionary",
-        lang_in = "Old Church Slavonic",
-        lang_out = "English",
+        lang_in = "chu",
+        lang_out = "eng",
         entries = 3033,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20Church%20Slavonic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old English-English Wiktionary",
-        lang_in = "Old English",
-        lang_out = "English",
+        lang_in = "ang",
+        lang_out = "eng",
         entries = 8476,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20English-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old French-English Wiktionary",
-        lang_in = "Old French",
-        lang_out = "English",
+        lang_in = "fro",
+        lang_out = "eng",
         entries = 5691,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20French-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old High German-English Wiktionary",
-        lang_in = "Old High German",
-        lang_out = "English",
+        lang_in = "goh",
+        lang_out = "eng",
         entries = 1578,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20High%20German-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old Irish-English Wiktionary",
-        lang_in = "Old Irish",
-        lang_out = "English",
+        lang_in = "sga",
+        lang_out = "eng",
         entries = 2352,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20Irish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old Norse-English Wiktionary",
-        lang_in = "Old Norse",
-        lang_out = "English",
+        lang_in = "non",
+        lang_out = "eng",
         entries = 3756,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20Norse-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Old Saxon-English Wiktionary",
-        lang_in = "Old Saxon",
-        lang_out = "English",
+        lang_in = "nds",
+        lang_out = "eng",
         entries = 1502,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Old%20Saxon-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Oromo-English Wiktionary",
-        lang_in = "Oromo",
-        lang_out = "English",
+        lang_in = "orm",
+        lang_out = "eng",
         entries = 1028,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Oromo-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ottoman Turkish-English Wiktionary",
-        lang_in = "Ottoman Turkish",
-        lang_out = "English",
+        lang_in = "ota",
+        lang_out = "eng",
         entries = 3149,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ottoman%20Turkish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Pali-English Wiktionary",
-        lang_in = "Pali",
-        lang_out = "English",
+        lang_in = "pli",
+        lang_out = "eng",
         entries = 4707,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Pali-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Pashto-English Wiktionary",
-        lang_in = "Pashto",
-        lang_out = "English",
+        lang_in = "pus",
+        lang_out = "eng",
         entries = 1267,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Pashto-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Pennsylvania German-English Wiktionary",
-        lang_in = "Pennsylvania German",
-        lang_out = "English",
+        lang_in = "pdc",
+        lang_out = "eng",
         entries = 1452,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Pennsylvania%20German-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Persian-English Wiktionary",
-        lang_in = "Persian",
-        lang_out = "English",
+        lang_in = "fas",
+        lang_out = "eng",
         entries = 9962,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Persian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Phalura-English Wiktionary",
-        lang_in = "Phalura",
-        lang_out = "English",
+        lang_in = "phl",
+        lang_out = "eng",
         entries = 2542,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Phalura-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Phuthi-English Wiktionary",
-        lang_in = "Phuthi",
-        lang_out = "English",
+        lang_in = "bnt",
+        lang_out = "eng",
         entries = 1206,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Phuthi-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Plautdietsch-English Wiktionary",
-        lang_in = "Plautdietsch",
-        lang_out = "English",
+        lang_in = "pdt",
+        lang_out = "eng",
         entries = 2993,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Plautdietsch-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Polish-English Wiktionary",
-        lang_in = "Polish",
-        lang_out = "English",
+        lang_in = "pol",
+        lang_out = "eng",
         entries = 51071,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Polish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Portuguese-English Wiktionary",
-        lang_in = "Portuguese",
-        lang_out = "English",
+        lang_in = "por",
+        lang_out = "eng",
         entries = 52502,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Portuguese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Proto-Finnic-English Wiktionary",
-        lang_in = "Proto-Finnic",
-        lang_out = "English",
+        lang_in = "xxpf",
+        lang_out = "eng",
         entries = 1622,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Proto-Finnic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Proto-Germanic-English Wiktionary",
-        lang_in = "Proto-Germanic",
-        lang_out = "English",
+        lang_in = "xxpg",
+        lang_out = "eng",
         entries = 4798,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Proto-Germanic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Proto-Samic-English Wiktionary",
-        lang_in = "Proto-Samic",
-        lang_out = "English",
+        lang_in = "smi",
+        lang_out = "eng",
         entries = 1385,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Proto-Samic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Proto-Slavic-English Wiktionary",
-        lang_in = "Proto-Slavic",
-        lang_out = "English",
+        lang_in = "xxsl",
+        lang_out = "eng",
         entries = 3410,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Proto-Slavic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Proto-West Germanic-English Wiktionary",
-        lang_in = "Proto-West Germanic",
-        lang_out = "English",
+        lang_in = "xxpw",
+        lang_out = "eng",
         entries = 3559,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Proto-West%20Germanic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Punjabi-English Wiktionary",
-        lang_in = "Punjabi",
-        lang_out = "English",
+        lang_in = "pan",
+        lang_out = "eng",
         entries = 1833,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Punjabi-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Quechua-English Wiktionary",
-        lang_in = "Quechua",
-        lang_out = "English",
+        lang_in = "que",
+        lang_out = "eng",
         entries = 1713,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Quechua-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Romanian-English Wiktionary",
-        lang_in = "Romanian",
-        lang_out = "English",
+        lang_in = "ron",
+        lang_out = "eng",
         entries = 65521,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Romanian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Romansch-English Wiktionary",
-        lang_in = "Romansch",
-        lang_out = "English",
+        lang_in = "roh",
+        lang_out = "eng",
         entries = 2153,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Romansch-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Russian-English Wiktionary",
-        lang_in = "Russian",
-        lang_out = "English",
+        lang_in = "rus",
+        lang_out = "eng",
         entries = 46875,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Russian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Sanskrit-English Wiktionary",
-        lang_in = "Sanskrit",
-        lang_out = "English",
+        lang_in = "san",
+        lang_out = "eng",
         entries = 6328,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Sanskrit-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Saterland Frisian-English Wiktionary",
-        lang_in = "Saterland Frisian",
-        lang_out = "English",
+        lang_in = "stq",
+        lang_out = "eng",
         entries = 1483,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Saterland%20Frisian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Scots-English Wiktionary",
-        lang_in = "Scots",
-        lang_out = "English",
+        lang_in = "sco",
+        lang_out = "eng",
         entries = 2799,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Scots-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Scottish Gaelic-English Wiktionary",
-        lang_in = "Scottish Gaelic",
-        lang_out = "English",
+        lang_in = "gla",
+        lang_out = "eng",
         entries = 8242,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Scottish%20Gaelic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Serbo-Croatian-English Wiktionary",
-        lang_in = "Serbo-Croatian",
-        lang_out = "English",
+        lang_in = "hbs",
+        lang_out = "eng",
         entries = 52373,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Serbo-Croatian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Shan-English Wiktionary",
-        lang_in = "Shan",
-        lang_out = "English",
+        lang_in = "shn",
+        lang_out = "eng",
         entries = 2154,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Shan-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Sicilian-English Wiktionary",
-        lang_in = "Sicilian",
-        lang_out = "English",
+        lang_in = "scn",
+        lang_out = "eng",
         entries = 1729,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Sicilian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Slovak-English Wiktionary",
-        lang_in = "Slovak",
-        lang_out = "English",
+        lang_in = "slk",
+        lang_out = "eng",
         entries = 5572,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Slovak-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Slovene-English Wiktionary",
-        lang_in = "Slovene",
-        lang_out = "English",
+        lang_in = "slv",
+        lang_out = "eng",
         entries = 4043,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Slovene-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "South Levantine Arabic-English Wiktionary",
-        lang_in = "South Levantine Arabic",
-        lang_out = "English",
+        lang_in = "apc",
+        lang_out = "eng",
         entries = 2620,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/South%20Levantine%20Arabic-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Southern Altai-English Wiktionary",
-        lang_in = "Southern Altai",
-        lang_out = "English",
+        lang_in = "alt",
+        lang_out = "eng",
         entries = 1041,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Southern%20Altai-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Spanish-English Wiktionary",
-        lang_in = "Spanish",
-        lang_out = "English",
+        lang_in = "spa",
+        lang_out = "eng",
         entries = 98541,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Spanish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Sumerian-English Wiktionary",
-        lang_in = "Sumerian",
-        lang_out = "English",
+        lang_in = "sux",
+        lang_out = "eng",
         entries = 1732,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Sumerian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Sundanese-English Wiktionary",
-        lang_in = "Sundanese",
-        lang_out = "English",
+        lang_in = "sun",
+        lang_out = "eng",
         entries = 1606,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Sundanese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Swahili-English Wiktionary",
-        lang_in = "Swahili",
-        lang_out = "English",
+        lang_in = "swa",
+        lang_out = "eng",
         entries = 6137,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Swahili-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Swazi-English Wiktionary",
-        lang_in = "Swazi",
-        lang_out = "English",
+        lang_in = "ssw",
+        lang_out = "eng",
         entries = 1465,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Swazi-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tagalog-English Wiktionary",
-        lang_in = "Tagalog",
-        lang_out = "English",
+        lang_in = "tgl",
+        lang_out = "eng",
         entries = 14420,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tagalog-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tajik-English Wiktionary",
-        lang_in = "Tajik",
-        lang_out = "English",
+        lang_in = "tgk",
+        lang_out = "eng",
         entries = 1428,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tajik-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tamil-English Wiktionary",
-        lang_in = "Tamil",
-        lang_out = "English",
+        lang_in = "tam",
+        lang_out = "eng",
         entries = 5617,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tamil-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tangut-English Wiktionary",
-        lang_in = "Tangut",
-        lang_out = "English",
+        lang_in = "txg",
+        lang_out = "eng",
         entries = 1043,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tangut-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tatar-English Wiktionary",
-        lang_in = "Tatar",
-        lang_out = "English",
+        lang_in = "tat",
+        lang_out = "eng",
         entries = 1231,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tatar-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Telugu-English Wiktionary",
-        lang_in = "Telugu",
-        lang_out = "English",
+        lang_in = "tel",
+        lang_out = "eng",
         entries = 13154,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Telugu-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ternate-English Wiktionary",
-        lang_in = "Ternate",
-        lang_out = "English",
+        lang_in = "tft",
+        lang_out = "eng",
         entries = 1305,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ternate-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Thai-English Wiktionary",
-        lang_in = "Thai",
-        lang_out = "English",
+        lang_in = "tha",
+        lang_out = "eng",
         entries = 14664,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Thai-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tibetan-English Wiktionary",
-        lang_in = "Tibetan",
-        lang_out = "English",
+        lang_in = "bod",
+        lang_out = "eng",
         entries = 2798,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tibetan-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tocharian B-English Wiktionary",
-        lang_in = "Tocharian B",
-        lang_out = "English",
+        lang_in = "txb",
+        lang_out = "eng",
         entries = 1920,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tocharian%20B-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Tok Pisin-English Wiktionary",
-        lang_in = "Tok Pisin",
-        lang_out = "English",
+        lang_in = "tpi",
+        lang_out = "eng",
         entries = 1555,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Tok%20Pisin-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Translingual-English Wiktionary",
-        lang_in = "Translingual",
-        lang_out = "English",
+        lang_in = "eng",
+        lang_out = "eng",
         entries = 66205,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Translingual-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Turkish-English Wiktionary",
-        lang_in = "Turkish",
-        lang_out = "English",
+        lang_in = "tur",
+        lang_out = "eng",
         entries = 14131,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Turkish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Ukrainian-English Wiktionary",
-        lang_in = "Ukrainian",
-        lang_out = "English",
+        lang_in = "ukr",
+        lang_out = "eng",
         entries = 12883,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Ukrainian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Urdu-English Wiktionary",
-        lang_in = "Urdu",
-        lang_out = "English",
+        lang_in = "urd",
+        lang_out = "eng",
         entries = 4423,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Urdu-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Uyghur-English Wiktionary",
-        lang_in = "Uyghur",
-        lang_out = "English",
+        lang_in = "uig",
+        lang_out = "eng",
         entries = 1425,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Uyghur-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Uzbek-English Wiktionary",
-        lang_in = "Uzbek",
-        lang_out = "English",
+        lang_in = "uzb",
+        lang_out = "eng",
         entries = 1613,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Uzbek-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Venetian-English Wiktionary",
-        lang_in = "Venetian",
-        lang_out = "English",
+        lang_in = "vec",
+        lang_out = "eng",
         entries = 2459,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Venetian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Veps-English Wiktionary",
-        lang_in = "Veps",
-        lang_out = "English",
+        lang_in = "vep",
+        lang_out = "eng",
         entries = 1985,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Veps-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Vietnamese-English Wiktionary",
-        lang_in = "Vietnamese",
-        lang_out = "English",
+        lang_in = "vie",
+        lang_out = "eng",
         entries = 30996,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Vietnamese-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Vilamovian-English Wiktionary",
-        lang_in = "Vilamovian",
-        lang_out = "English",
+        lang_in = "wym",
+        lang_out = "eng",
         entries = 1178,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Vilamovian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Volapük-English Wiktionary",
-        lang_in = "Volapük",
-        lang_out = "English",
+        lang_in = "vol",
+        lang_out = "eng",
         entries = 2548,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Volapük-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Walloon-English Wiktionary",
-        lang_in = "Walloon",
-        lang_out = "English",
+        lang_in = "wln",
+        lang_out = "eng",
         entries = 1039,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Walloon-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Welsh-English Wiktionary",
-        lang_in = "Welsh",
-        lang_out = "English",
+        lang_in = "cym",
+        lang_out = "eng",
         entries = 7362,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Welsh-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "West Frisian-English Wiktionary",
-        lang_in = "West Frisian",
-        lang_out = "English",
+        lang_in = "fry",
+        lang_out = "eng",
         entries = 1639,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/West%20Frisian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Westrobothnian-English Wiktionary",
-        lang_in = "Westrobothnian",
-        lang_out = "English",
+        lang_in = "swe",
+        lang_out = "eng",
         entries = 2697,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Westrobothnian-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Xhosa-English Wiktionary",
-        lang_in = "Xhosa",
-        lang_out = "English",
+        lang_in = "xho",
+        lang_out = "eng",
         entries = 2963,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Xhosa-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Yakut-English Wiktionary",
-        lang_in = "Yakut",
-        lang_out = "English",
+        lang_in = "sah",
+        lang_out = "eng",
         entries = 2951,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Yakut-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Yiddish-English Wiktionary",
-        lang_in = "Yiddish",
-        lang_out = "English",
+        lang_in = "yid",
+        lang_out = "eng",
         entries = 6006,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Yiddish-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Yola-English Wiktionary",
-        lang_in = "Yola",
-        lang_out = "English",
+        lang_in = "yol",
+        lang_out = "eng",
         entries = 1636,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Yola-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Yoruba-English Wiktionary",
-        lang_in = "Yoruba",
-        lang_out = "English",
+        lang_in = "yor",
+        lang_out = "eng",
         entries = 3344,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Yoruba-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Zhuang-English Wiktionary",
-        lang_in = "Zhuang",
-        lang_out = "English",
+        lang_in = "zha",
+        lang_out = "eng",
         entries = 1291,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Zhuang-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "Zulu-English Wiktionary",
-        lang_in = "Zulu",
-        lang_out = "English",
+        lang_in = "zul",
+        lang_out = "eng",
         entries = 2710,
         license = "Dual-licensed under CC-BY-SA 3.0 and GFDL",
         url = "https://github.com/Vuizur/Wiktionary-Dictionaries/raw/master/Zulu-English%20Wiktionary%20dictionary%20stardict.tar.gz",
     },
     {
         name = "English-Vietnamese dictionary",
-        lang_in = "English",
-        lang_out = "Vietnamese",
+        lang_in = "eng",
+        lang_out = "vie",
         entries = 387517,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/en-vi.tar.gz"
     },
     {
         name = "Vietnamese-English dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "English",
+        lang_in = "vie",
+        lang_out = "eng",
         entries = 42252,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-en.tar.gz"
     },
     {
         name = "Czech-Vietnamese dictionary",
-        lang_in = "Czech",
-        lang_out = "Vietnamese",
+        lang_in = "ces",
+        lang_out = "vie",
         entries = 112442,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/cs-vi.tar.gz"
     },
     {
         name = "German-Vietnamese dictionary",
-        lang_in = "German",
-        lang_out = "Vietnamese",
+        lang_in = "deu",
+        lang_out = "vie",
         entries = 43680,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/de-vi.tar.gz"
     },
     {
         name = "French-Vietnamese dictionary",
-        lang_in = "French",
-        lang_out = "Vietnamese",
+        lang_in = "fra",
+        lang_out = "vie",
         entries = 47454,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/fr-vi.tar.gz"
     },
     {
         name = "Italian-Vietnamese dictionary",
-        lang_in = "Italian",
-        lang_out = "Vietnamese",
+        lang_in = "ita",
+        lang_out = "vie",
         entries = 70682,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/it-vi.tar.gz"
     },
     {
         name = "Japanese-Vietnamese dictionary",
-        lang_in = "Japanese",
-        lang_out = "Vietnamese",
+        lang_in = "jpn",
+        lang_out = "vie",
         entries = 172336,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/ja-vi.tar.gz"
     },
     {
         name = "Korean-Vietnamese dictionary",
-        lang_in = "Korean",
-        lang_out = "Vietnamese",
+        lang_in = "kor",
+        lang_out = "vie",
         entries = 49803,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/ko-vi.tar.gz"
     },
     {
         name = "Norwegian-Vietnamese dictionary",
-        lang_in = "Norwegian",
-        lang_out = "Vietnamese",
+        lang_in = "nor",
+        lang_out = "vie",
         entries = 39508,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/no-vi.tar.gz"
     },
     {
         name = "Portuguese-Vietnamese dictionary",
-        lang_in = "Portuguese",
-        lang_out = "Vietnamese",
+        lang_in = "por",
+        lang_out = "vie",
         entries = 10453,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/pt-vi.tar.gz"
     },
     {
         name = "Russian-Vietnamese dictionary",
-        lang_in = "Russian",
-        lang_out = "Vietnamese",
+        lang_in = "rus",
+        lang_out = "vie",
         entries = 38039,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/ru-vi.tar.gz"
     },
     {
         name = "Chinese-Vietnamese dictionary",
-        lang_in = "Chinese",
-        lang_out = "Vietnamese",
+        lang_in = "zho",
+        lang_out = "vie",
         entries = 161200,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/zh-vi.tar.gz"
     },
     {
         name = "Vietnamese-German dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "German",
+        lang_in = "vie",
+        lang_out = "deu",
         entries = 11926,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-de.tar.gz"
     },
     {
         name = "Vietnamese-French dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "French",
+        lang_in = "vie",
+        lang_out = "fra",
         entries = 39074,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-fr.tar.gz"
     },
     {
         name = "Vietnamese-Japanese dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "Japanese",
+        lang_in = "vie",
+        lang_out = "jpn",
         entries = 21895,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-ja.tar.gz"
     },
     {
         name = "Vietnamese-Korean dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "Korean",
+        lang_in = "vie",
+        lang_out = "kor",
         entries = 22431,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-ko.tar.gz"
     },
     {
         name = "Vietnamese-Portuguese dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "Portuguese",
+        lang_in = "vie",
+        lang_out = "por",
         entries = 21888,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-pt.tar.gz"
     },
     {
         name = "Vietnamese-Russian dictionary",
-        lang_in = "Vietnamese",
-        lang_out = "Russian",
+        lang_in = "vie",
+        lang_out = "rus",
         entries = 35948,
         license = "Open Vietnamese Dictionary Project, https://sourceforge.net/projects/ovdp/",
         url = "https://khoicandev.github.io/ovdp-mirror/vi-ru.tar.gz"
diff --git a/frontend/ui/data/isolanguage.lua b/frontend/ui/data/isolanguage.lua
new file mode 100644
index 000000000..6482c892a
--- /dev/null
+++ b/frontend/ui/data/isolanguage.lua
@@ -0,0 +1,342 @@
+local _ = require("gettext")
+
+local locale_lang_map = {
+    -- from https://iso639-3.sil.org/sites/iso639-3/files/downloads/iso-639-3.tab
+    -- first chunk of names are languages present in iso-639-1
+    -- @translators Most of these language name have already been translated at <https://hosted.weblate.org/projects/iso-codes/iso-639-2/>. Click "Automatic suggestions" to see them below the textfield.
+    aar = _("Afar"),
+    afr = _("Afrikaans"),
+    ara = _("Arabic"), -- macrolanguage
+    asm = _("Assamese"),
+    aze = _("Azerbaijani"), -- macrolanguage
+    bak = _("Bashkir"),
+    bel = _("Belarusian"),
+    ben = _("Bengali"),
+    bod = _("Tibetan"),
+    bre = _("Breton"),
+    bul = _("Bulgarian"),
+    ces = _("Czech"),
+    chu = _("Church Slavic"),
+    cor = _("Cornish"),
+    cym = _("Welsh"),
+    dan = _("Danish"),
+    deu = _("German"),
+    div = _("Dhivehi"),
+    ell = _("Modern Greek"), -- (1453-)
+    eng = _("English"),
+    epo = _("Esperanto"), -- constructed language
+    est = _("Estonian"), -- macrolanguage
+    eus = _("Basque"),
+    fao = _("Faroese"),
+    fas = _("Persian"), -- macrolanguage
+    fin = _("Finnish"),
+    fra = _("French"),
+    fry = _("Western Frisian"),
+    gla = _("Scottish Gaelic"),
+    gle = _("Irish"),
+    glg = _("Galician"),
+    glv = _("Manx"),
+    guj = _("Gujarati"),
+    hat = _("Haitian"),
+    hau = _("Hausa"),
+    hbs = _("Serbo-Croatian"), -- macrolanguage
+    heb = _("Hebrew"),
+    hin = _("Hindi"),
+    hun = _("Hungarian"),
+    hye = _("Armenian"),
+    ido = _("Ido"), -- constructed language
+    ina = _("Interlingua"), -- (International Auxiliary Language Association) constructed language
+    ind = _("Indonesian"),
+    isl = _("Icelandic"),
+    ita = _("Italian"),
+    jav = _("Javanese"),
+    jpn = _("Japanese"),
+    kal = _("Kalaallisut"),
+    kan = _("Kannada"),
+    kas = _("Kashmiri"),
+    kat = _("Georgian"),
+    kaz = _("Kazakh"),
+    khm = _("Khmer"),
+    kik = _("Kikuyu"),
+    kir = _("Kirghiz"),
+    kor = _("Korean"),
+    kur = _("Kurdish"), -- macrolanguage
+    lao = _("Lao"),
+    lat = _("Latin"),
+    lav = _("Latvian"), -- macrolanguage
+    lit = _("Lithuanian"),
+    ltz = _("Luxembourgish"),
+    mah = _("Marshallese"),
+    mal = _("Malayalam"),
+    mar = _("Marathi"),
+    mkd = _("Macedonian"),
+    mlg = _("Malagasy"), -- macrolanguage
+    mlt = _("Maltese"),
+    mon = _("Mongolian"), -- macrolanguage
+    mri = _("Maori"),
+    msa = _("Malay"), -- macrolanguage
+    mya = _("Burmese"),
+    nav = _("Navajo"),
+    nld = _("Dutch"),
+    nno = _("Norwegian Nynorsk"),
+    nob = _("Norwegian Bokmål"),
+    nor = _("Norwegian"), -- macrolanguage
+    oci = _("Occitan"), -- (post 1500)
+    orm = _("Oromo"), -- macrolanguage
+    pan = _("Panjabi"),
+    pli = _("Pali"),
+    pol = _("Polish"),
+    por = _("Portuguese"),
+    pus = _("Pushto"), -- macrolanguage
+    que = _("Quechua"), -- macrolanguage
+    roh = _("Romansh"),
+    ron = _("Romanian"),
+    rus = _("Russian"),
+    san = _("Sanskrit"),
+    slk = _("Slovak"),
+    slv = _("Slovenian"),
+    spa = _("Spanish"),
+    sqi = _("Albanian"), -- macrolanguage
+    srp = _("Serbian"),
+    ssw = _("Swati"),
+    sun = _("Sundanese"),
+    swa = _("Swahili"), -- macrolanguage
+    swe = _("Swedish"),
+    tam = _("Tamil"),
+    tat = _("Tatar"),
+    tel = _("Telugu"),
+    tgk = _("Tajik"),
+    tgl = _("Tagalog"),
+    tha = _("Thai"),
+    tur = _("Turkish"),
+    uig = _("Uighur"),
+    ukr = _("Ukrainian"),
+    urd = _("Urdu"),
+    uzb = _("Uzbek"), -- macrolanguage
+    vie = _("Vietnamese"),
+    vol = _("Volapük"), -- constructed language
+    wln = _("Walloon"),
+    xho = _("Xhosa"),
+    yid = _("Yiddish"), -- macrolanguage
+    yor = _("Yoruba"),
+    zha = _("Zhuang"), -- macrolanguage
+    zho = _("Chinese"), -- macrolanguage
+    zul = _("Zulu"),
+
+    -- second chunk of names are languages present in iso-639-2
+    -- this is only as complete as it needs to be to cover the languages in dictionaries.lua
+    -- @translators Most of these language name have already been translated at <https://hosted.weblate.org/projects/iso-codes/iso-639-2/>. Click "Automatic suggestions" to see them below the textfield.
+    ady = _("Adyghe"),
+    alt = _("Southern Altai"),
+    ang = _("Old English"), -- (ca. 450-1100)
+    arc = _("Official Aramaic"), -- (700-300 BCE)
+    ast = _("Asturian"),
+    bik = _("Bikol"), -- macrolanguage
+    ceb = _("Cebuano"),
+    chr = _("Cherokee"),
+    cop = _("Coptic"),
+    crh = _("Crimean Tatar"),
+    dsb = _("Lower Sorbian"),
+    dum = _("Middle Dutch"), -- (ca. 1050-1350)
+    enm = _("Middle English"), --  (1100-1500)
+    frm = _("Middle French"), -- (ca. 1400-1600)
+    fro = _("Old French"), -- (842-ca. 1400)
+    fur = _("Friulian"),
+    goh = _("Old High German"), -- (ca. 750-1050)
+    got = _("Gothic"),
+    grc = _("Ancient Greek"), -- (to 1453)
+    gsw = _("Swiss German"),
+    haw = _("Hawaiian"),
+    hil = _("Hiligaynon"),
+    kum = _("Kumyk"),
+    lad = _("Ladino"),
+    mnc = _("Manchu"),
+    nds = _("Low German"),
+    non = _("Old Norse"),
+    ota = _("Ottoman Turkish"), -- (1500-1928)
+    rup = _("Macedo-Romanian"),
+    sah = _("Yakut"),
+    scn = _("Sicilian"),
+    sco = _("Scots"),
+    sga = _("Old Irish"), -- (to 900)
+    shn = _("Shan"),
+    sux = _("Sumerian"),
+    syc = _("Classical Syriac"),
+    tpi = _("Tok Pisin"),
+
+    -- third chunk of names are only present in iso639-3 standard
+    -- this is only as complete as it needs to be to cover the languages in dictionaries.lua
+    -- @translators Most of these language name have already been translated at <https://hosted.weblate.org/projects/iso-codes/iso-639-2/>. Click "Automatic suggestions" to see them below the textfield.
+    aii = _("Assyrian Neo-Aramaic"),
+    apc = _("Levantine Arabic"),
+    ary = _("Moroccan Arabic"),
+    bnt = _("Bantu"),
+    cim = _("Cimbrian"),
+    cmn = _("Mandarin Chinese"),
+    dlm = _("Dalmatian"),
+    hrx = _("Hunsrik"),
+    izh = _("Ingrian"),
+    jje = _("Jejueo"),
+    kea = _("Kabuverdianu"),
+    lld = _("Ladin"),
+    lzz = _("Laz"),
+    mch = _("Maquiritari"),
+    nch = _("Central Huasteca Nahuatl"),
+    nci = _("Classical Nahuatl"),
+    nrf = _("Jèrriais"), -- Norman
+    pdc = _("Pennsylvania German"),
+    pdt = _("Plautdietsch"),
+    phl = _("Phalura"),
+    stq = _("Saterfriesisch"), -- Saterland Frisian
+    tft = _("Ternate"),
+    txb = _("Tokharian B"),
+    txg = _("Tangut"),
+    vec = _("Venetian"),
+    vep = _("Veps"),
+    wym = _("Wymysorys"), -- Vilamovian
+    xcl = _("Classical Armenian"),
+    yol = _("Yola"),
+    yue = _("Yue Chinese"),
+
+    -- these are made up language codes for very specific languages which do not map to a specific ISO3 code
+    xxpf = _("Proto-Finnic"),
+    xxpg = _("Proto-Germanic"),
+    xxpw = _("Proto-West Germanic"),
+    xxps = _("Proto-Sami"),
+    xxsl = _("Proto-Slavic"),
+}
+
+local iso_bcp47_map = {
+    aar = "aa",
+    afr = "af",
+    ara = "ar",
+    asm = "as",
+    aze = "az",
+    bak = "ba",
+    bel = "be",
+    bul = "bg",
+    ben = "bn",
+    bod = "bo",
+    bre = "br",
+    ces = "cs",
+    chu = "cu",
+    cym = "cy",
+    dan = "da",
+    deu = "de",
+    div = "dv",
+    ell = "el",
+    eng = "en",
+    epo = "eo",
+    spa = "es",
+    est = "et",
+    eus = "eu",
+    fas = "fa",
+    fin = "fi",
+    fao = "fo",
+    fra = "fr",
+    fry = "fy",
+    gle = "ga",
+    gla = "gd",
+    glg = "gl",
+    glv = "gv",
+    hau = "ha",
+    heb = "he",
+    hin = "hi",
+    hat = "ht",
+    hun = "hu",
+    hye = "hy",
+    ina = "ia",
+    ind = "id",
+    ido = "io",
+    isl = "is",
+    ita = "it",
+    jpn = "ja",
+    jav = "jv",
+    kat = "ka",
+    kik = "ki",
+    kaz = "kk",
+    kal = "kl",
+    khm = "km",
+    kan = "kn",
+    kor = "ko",
+    kas = "ks",
+    kur = "ku",
+    cor = "kw",
+    kir = "ky",
+    lat = "la",
+    ltz = "lb",
+    lao = "lo",
+    lit = "lt",
+    lav = "lv",
+    mlg = "mg",
+    mah = "mh",
+    mri = "mi",
+    mkd = "mk",
+    mal = "ml",
+    mon = "mn",
+    mar = "mr",
+    msa = "ms",
+    mlt = "mt",
+    mya = "my",
+    nob = "nb",
+    nld = "nl",
+    nno = "nn",
+    nor = "no",
+    nav = "nv",
+    oci = "oc",
+    orm = "om",
+    pan = "pa",
+    pli = "pi",
+    pol = "pl",
+    pus = "ps",
+    por = "pt",
+    que = "qu",
+    roh = "rm",
+    ron = "ro",
+    rus = "ru",
+    san = "sa",
+    hbs = "sh",
+    slk = "sk",
+    slv = "sl",
+    sqi = "sq",
+    srp = "sr",
+    ssw = "ss",
+    sun = "su",
+    swe = "sv",
+    swa = "sw",
+    tam = "ta",
+    tel = "te",
+    tgk = "tg",
+    tha = "th",
+    tgl = "tl",
+    tur = "tr",
+    tat = "tt",
+    uig = "ug",
+    ukr = "uk",
+    urd = "ur",
+    uzb = "uz",
+    vie = "vi",
+    vol = "vo",
+    wln = "wa",
+    xho = "xh",
+    yid = "yi",
+    yor = "yo",
+    zha = "za",
+    zho = "zh",
+    zul = "zu",
+}
+
+
+local IsoLanguage = {}
+
+function IsoLanguage:getLocalizedLanguage(iso3_language)
+    local language = locale_lang_map[iso3_language]
+    return language or iso3_language
+end
+
+function IsoLanguage:getBCPLanguageTag(iso3_language)
+    -- BCP47 language tag is either the ISO2 code, or ISO3 if no ISO2 exists for it
+    return iso_bcp47_map[iso3_language] or iso3_language
+end
+
+return IsoLanguage
diff --git a/frontend/ui/widget/dictquicklookup.lua b/frontend/ui/widget/dictquicklookup.lua
index 9ffada6b8..fb6d90fe0 100644
--- a/frontend/ui/widget/dictquicklookup.lua
+++ b/frontend/ui/widget/dictquicklookup.lua
@@ -215,6 +215,7 @@ function DictQuickLookup:init()
         -- visual hint: title left aligned for dict, centered for Wikipedia
         align = self.is_wiki and "center" or "left",
         show_parent = self,
+        lang = self.lang_out,
     }
 
     -- This padding and the resulting width apply to the content
@@ -294,6 +295,7 @@ function DictQuickLookup:init()
         bold = true,
         max_width = self.content_width - math.max(lookup_edit_button_w, lookup_word_nb_w),
         padding = 0, -- to be aligned with lookup_word_nb
+        lang = self.lang_in
     }
     -- Group these 3 widgets
     local lookup_word = OverlapGroup:new{
@@ -795,7 +797,7 @@ function DictQuickLookup:_instantiateScrollWidget()
             height = self.definition_height,
             dialog = self,
             justified = G_reader_settings:nilOrTrue("dict_justify"), -- allow for disabling justification
-            lang = self.lang and self.lang:lower(), -- only available on wikipedia results
+            lang = self.lang and self.lang:lower() or self.lang_out,
             para_direction_rtl = self.rtl_lang,     -- only available on wikipedia results
             auto_para_direction = not self.is_wiki, -- only for dict results (we don't know their lang)
             image_alt_face = self.image_alt_face,
@@ -817,6 +819,7 @@ function DictQuickLookup:update()
         self.displaynb_text:setText(self.displaynb)
     end
     self.lookup_word_text:setText(self.displayword)
+    self.lookup_word_text.lang = self.lang_in
 
     -- Update Buttons
     if not self.is_wiki_fullpage then
@@ -842,7 +845,7 @@ function DictQuickLookup:update()
         -- Update properties that may change across results (as done in DictQuickLookup:_instantiateScrollWidget())
         self.text_widget.text_widget.text = self.definition
         self.text_widget.text_widget.charlist = nil -- (required when use_xtext=false for proper re-init)
-        self.text_widget.text_widget.lang = self.lang and self.lang:lower()
+        self.text_widget.text_widget.lang = self.lang and self.lang:lower() or self.lang_out
         self.text_widget.text_widget.para_direction_rtl = self.rtl_lang
         self.text_widget.text_widget.images = self.images
         -- Scroll back to the top, àla TextBoxWidget:scrollToTop
@@ -995,6 +998,9 @@ function DictQuickLookup:changeDictionary(index, skip_update)
     self.is_html = self.results[index].is_html
     self.css = self.results[index].css
     self.lang = self.results[index].lang
+    local ifo_lang = self.results[index].ifo_lang
+    self.lang_in = ifo_lang and ifo_lang.lang_in or nil
+    self.lang_out = ifo_lang and ifo_lang.lang_out or nil
     self.rtl_lang = self.results[index].rtl_lang
     self.images = self.results[index].images
     if self.images and #self.images > 0 then
diff --git a/frontend/ui/widget/titlebar.lua b/frontend/ui/widget/titlebar.lua
index 35add8092..db0088275 100644
--- a/frontend/ui/widget/titlebar.lua
+++ b/frontend/ui/widget/titlebar.lua
@@ -44,6 +44,8 @@ local TitleBar = OverlapGroup:extend{
     info_text_face = Font:getFace("x_smallinfofont"),
     info_text_h_padding = nil, -- default to title_h_padding
 
+    lang = nil, -- use this language (string) instead of the UI language
+
     title_top_padding = nil, -- computed if none provided
     title_h_padding = Size.padding.large, -- horizontal padding (this replaces button_padding on the inner/title side)
     title_subtitle_v_padding = Screen:scaleBySize(3),
@@ -134,6 +136,7 @@ function TitleBar:init()
             alignment = self.align,
             width = title_max_width,
             face = title_face,
+            lang = self.lang,
         }
     else
         while true do
@@ -141,6 +144,7 @@ function TitleBar:init()
                 text = self.title,
                 face = title_face,
                 padding = 0,
+                lang = self.lang,
                 max_width = not self.title_shrink_font_to_fit and title_max_width,
                     -- truncate if not self.title_shrink_font_to_fit
             }
@@ -207,6 +211,7 @@ function TitleBar:init()
                 alignment = self.align,
                 width = subtitle_max_width,
                 face = self.subtitle_face,
+                lang = self.lang,
             }
         else
             self.subtitle_widget = TextWidget:new{
@@ -215,6 +220,7 @@ function TitleBar:init()
                 max_width = subtitle_max_width,
                 truncate_left = self.subtitle_truncate_left,
                 padding = 0,
+                lang = self.lang,
             }
         end
     end
@@ -332,6 +338,7 @@ function TitleBar:init()
                     text = self.info_text,
                     face = self.info_text_face,
                     width = self.width - 2 * h_padding,
+                    lang = self.lang,
                 }
             }
         }