Old Irish bech

← Old English bēo (cognate)

← Proto-Celtic *bekos (inherited)

← English bee (cognate)

← Proto-Indo-European *bʰey- (derived)

← Latin fūcus (cognate)

→ Old English beo (cognate)

→ Gaulish bekos (cognate)

→ Irish beach (inherited)

→ Scottish Gaelic beach (inherited)

→ Latin fucus (cognate)

→ Old Saxon bia (cognate)