Where does “язы́к” come from?
язы́к (Russian) comes from Old East Slavic ѧзꙑкъ, from Proto-Slavic ęzykъ, from Proto-Balto-Slavic inźūˀ-kas, from Proto-Balto-Slavic *inźūˀs, from Proto-Balto-Slavic *dinźūˀs, from Proto-Indo-European dn̥ǵʰwéh₂s — tongue.
язы́к (Russian): tongue; language
Ancestry of “язы́к”, step by step
Words derived from “язы́к”