Scottish Gaelic teanga

← Proto-Celtic *tangʷāt- (inherited)

← Proto-Indo-European *dn̥ǵʰwéh₂s (inherited)

← Old Irish tengae (inherited)

→ Scottish Gaelic eadar-theangair (confix)

→ Scottish Gaelic eadar-theangaich (confix)

→ Scottish Gaelic dà-theangach (affix)