Proto-Indo-European *bʰébʰrus

→ English beaver (inherited)

→ Avestan 𐬠𐬀𐬡𐬭𐬀 (inherited)

→ Bulgarian бобър (inherited)

→ Czech bobr (derived)

→ German Biber (inherited)

→ Lower Sorbian bobr (inherited)

→ Middle English bever (inherited)

→ Faroese bævur (derived)

→ French bièvre (derived)

→ Old French bievre (derived)

→ Irish béabhar (derived)

→ Ancient Greek φρύνη (cognate)

→ Icelandic bifur (derived)

→ Latin beber (derived)

→ Latin fiber (derived)

→ Lithuanian bebras (derived)

→ Latvian bebrs (inherited)

→ Norwegian Nynorsk bjor (inherited)

→ Middle Persian bplk' (inherited)

→ Russian бобр (inherited)

→ Sanskrit बभ्रु (inherited)

→ Slovak bobor (derived)

→ Slovene bober (derived)

→ Swedish bäver (derived)