Irish do-

← Proto-Celtic *dus- (inherited)

← Proto-Indo-European *dus- (inherited)

← Old Irish do- (inherited)

← Old Irish du- (mention)

→ Irish dobhriathar (affix)

→ Irish donite (affix)

→ Irish dolasta (affix)

→ Irish dosháraithe (affix)

→ Irish doleithscéil (affix)

→ Irish dobhréagnaithe (affix)

→ Irish do-aitheanta (affix)

→ Irish dochreidte (affix)

→ Irish dodhearmadta (affix)

→ Irish dofheicthe (affix)

→ Irish do-ranna (affix)