Old Irish túath

← Proto-Celtic *toutā (inherited)

← Proto-Celtic *tousto- (inherited)

← Proto-Indo-European *tewtéh₂ (inherited)

→ English tuath (borrowed)

→ English Teuton (cognate)

→ Old English þiedan (cognate)

→ Gaulish touta (cognate)

→ Irish tuath (inherited)

→ Irish urra (mention)

→ Irish tuathal (compound)

→ Scottish Gaelic tuath (inherited)

→ Scottish Gaelic tuathanas (derived)

→ Scottish Gaelic urrainn (mention)

→ Scottish Gaelic Tuath (inherited)

→ Scottish Gaelic urra (mention)

→ Latvian tauta (cognate)