proto-language

See also: protolanguage

English

proto- +‎ language

proto-language (countable and uncountable, plural proto-languages)

(linguistics) A language which is reconstructed by examining similarities in existing languages to try to deduce what a common ancestor language, no longer known, would have been like.
(linguistics) The early utterances produced by an infant before it acquires true language.

common ancestor language

Armenian: նախալեզու (hy) (naxalezu)
Asturian: protollingua f
Belarusian: прамо́ва f (pramóva)
Bulgarian: праези́к m (praezík)
Catalan: protollengua f
Chinese:
Cantonese: 祖語, 祖语 (zou² jyu⁵)
Mandarin: 祖語／祖语 (zh) (zǔyǔ), 原始語／原始语 (yuánshǐyǔ)
Czech: prajazyk m
Danish: ursprog
Dutch: vooroudertaal
Esperanto: pralingvo (eo)
Estonian: algkeel
Finnish: kantakieli (fi)
French: protolangue (fr) f
Galician: protolingua (gl) f
Georgian: ფუძეენა (puʒeena), წინარე ენა (c̣inare ena), პროტო-ენა (ṗroṭo-ena)
German: Ursprache (de) f
Greek: πρωτογλώσσα (el) (protoglóssa)
Icelandic: frummál (is)
Italian: protolingua f
Japanese: 祖語 (ja) (そご, sogo)
Kazakh: ататіл (atatıl), тектіл (tektıl), түптіл (tüptıl)
Korean: 프로토어 (peuroto'eo)
Lithuanian: prokalbė (lt) f
Macedonian: прајазик m (prajazik)
Norwegian: urspråk (no)
Polish: prajęzyk (pl) m
Portuguese: proto-língua f, protolíngua (pt) f
Romanian: protolimbă f
Russian: праязы́к (ru) m (prajazýk)
Sicilian: prutulingua f
Slovak: prajazyk m, protojazyk m
Spanish: protolengua f
Swedish: urspråk (sv)
Turkish: proto dil (tr), ön dil
Tuvan: өгбе дыл (ögbe dıl)
Ukrainian: прамо́ва (uk) f (pramóva)
Vietnamese: ngôn ngữ nguyên thủy, ngôn ngữ tổ tiên chung