Irish caol

← Proto-Celtic *koilos (inherited)

← Welsh cul (cognate)

← Cornish - (cognate)

← Old Irish cáel (inherited)

→ English Kielty (mention)

→ Irish Caolán (suffix)

→ Irish caolán (affix)

→ Irish caolsráid (affix)

→ Irish caolas (affix)

→ Irish barrchaol (affix)

→ Irish caoile (affix)