Swedish bäver

← Proto-Germanic *bebruz (derived)

← Middle Low German [[biber]], [[bever]] (derived)

← Old Swedish bæver (inherited)

← Proto-West Germanic *bebru (derived)

← Proto-Indo-European *bʰébʰrus (derived)

← Old Saxon [[biƀar]], [[biƀor]] (derived)

→ Swedish bävergäll (affix)