Ancient Greek ὕδρα

← Czech vydra (cognate)

← English otter (cognate)

← Mycenaean Greek 𐀄𐀈𐀫 (cognate)

← Proto-Indo-European *wed- (root)

← Proto-Indo-European (inherited)

← Proto-Indo-European *udrós (mention)

← Proto-Indo-European *wed- (mention)

← Latin lutra (cognate)

← Lithuanian ūdra (cognate)

← Russian вы́дра (cognate)

← Sanskrit उद्र (cognate)

→ English otter (cognate)

→ English Hydra (derived)

→ Czech hydra (borrowed)

→ Czech Hydra (derived)

→ German Hydra (derived)

→ Esperanto hidro (derived)

→ Spanish hidra (derived)

→ Latin hydra (derived)

→ Latin Hydra (derived)

→ Lithuanian ūdra (cognate)

→ Latvian ūdrs (mention)

→ Russian гидра (borrowed)