Proto-Slavic *bobrъ

→ Belarusian бабёр (inherited)

→ Bulgarian бобър (inherited)

→ Czech bobr (inherited)

→ Kashubian bòber (inherited)

→ Lower Sorbian bobr (inherited)

→ Latvian bebrs (mention)

→ Macedonian дабар (mention)

→ Polish bóbr (inherited)

→ Russian бобр (inherited)

→ Slovak bobor (inherited)

→ Slovene bober (inherited)

→ Ukrainian бобер (inherited)