Old Irish táeb

← Breton - (cognate)

← Proto-Celtic *toybos (inherited)

← Welsh tu (cognate)

← Cornish - (cognate)

→ Welsh tu (cognate)

→ Irish taobh (inherited)

→ Scottish Gaelic taobh (inherited)

→ Manx çheu (inherited)

→ Old Irish lettáeb (compound)

→ Old Armenian թեկն (mention)