Middle English bever

← Old English beofor (inherited)

← Middle English befer (alter)

← Middle English beofer (alter)

← Middle English bevyr (alter)

← Middle English bevere (alter)

← Middle English bevyre (alter)

← Middle English bewer (alter)

← Middle English bevre (alter)

← Middle English byvre (alter)

← Middle English beever (alter)

← Middle English beauver (alter)

← Middle English beuver (alter)

← Middle English bevere (alter)

← Middle English beverage (link)

← French boire (cognate)

← Proto-Germanic *bebruz (inherited)

← Proto-Indo-European *bʰébʰrus (inherited)

← Latin bibō (derived)

← Scots baiver (link)

→ English beaver (inherited)

→ English bever (inherited)

→ Middle English beverage (affix)

→ Irish béabhar (borrowed)