Where does “языковой” come from?

языковой (Russian) comes from Russian язы́к, 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.

языковой (Russian): tongue

Definitions

  1. tongue

Ancestry of “языковой”, step by step

StepLanguageWordMeaning
1Russianязы́кtongue; language
2Old East Slavicѧзꙑкъa tongue
3Proto-Slavicęzykъtongue; language
4Proto-Balto-Slavicinźūˀ-kas—
5Proto-Balto-Slavic*inźūˀstongue
6Proto-Balto-Slavic*dinźūˀs—
7Proto-Indo-Europeandn̥ǵʰwéh₂stongue
Every word from Proto-Indo-European dn̥ǵʰwéh₂s →Every word from Proto-Balto-Slavic *dinźūˀs →Every word from Proto-Balto-Slavic *inźūˀs →