Ancient Greek ἔνυδρις

← Proto-Germanic *utraz (cognate)

← Ancient Greek ἐν- (affix)

← Ancient Greek ὕδωρ (affix)

← Ancient Greek -ις (affix)

← Latin lutra (cognate)

← Sanskrit उद्र (cognate)

← Proto-Slavic *vydra (cognate)

→ Latin lutra (cognate)

→ Russian индрик (derived)