Old East Slavic ꙗзꙑкъ

← Old Church Slavonic ѩзꙑкъ (cognate)

← Proto-Indo-European *dn̥ǵʰwéh₂s (inherited)

← Lithuanian liežùvis (cognate)

← Old Prussian insuwis (cognate)

← Proto-Slavic *(j)ęzykъ (inherited)

→ Belarusian язык (inherited)

→ Russian язык (inherited)

→ Russian язычник (mention)

→ Rusyn язык (inherited)

→ Rusyn язик (inherited)

→ Ukrainian язик (inherited)