Old Irish cummae

← Proto-Celtic *kombēsman (inherited)

← Proto-Celtic *kom- (mention)

← Proto-Celtic *bēsman (mention)

← Proto-Celtic *bungeti (mention)

← Proto-Celtic *komsmiyos (inherited)

← Proto-Indo-European *ḱom (derived)

← Proto-Indo-European *sem- (mention)

← Old Irish fri (mention)

← Old Irish ocus (mention)

← Old Irish cummatu (link)

→ Irish cum (mention)

→ Irish cuma (inherited)

→ Scottish Gaelic cum (mention)

→ Scottish Gaelic coma (inherited)

→ Manx cum (derived)

→ Old Irish cummatu (affix)