Irish beach

← Proto-Celtic [[*beko-]], [[*bikos]] (inherited)

← Czech včela (cognate)

← Welsh bydaf (cognate)

← English bee (cognate)

← Proto-Indo-European [[*bʰik-]], [[*bʰoyk-]] (derived)

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

← Latin fūcus (cognate)

← Old Irish bech (inherited)

← Middle Welsh [[begegyr|beg-egyr]], [[bygegyr|byg-egyr]] (cognate)

→ English Behan (mention)

→ Old English beo (cognate)

→ Irish beachadóir (affix)

→ Irish beachadóireacht (affix)

→ Irish beachaire (affix)

→ Irish beacán (mention)

→ Irish beachlann (affix)

→ Irish beachóg (affix)

→ Old Saxon bia (cognate)