Irish cnó

← Proto-Celtic *knūs (inherited)

← Welsh cnau (cognate)

← English nut (cognate)

← Scottish Gaelic cnò (cognate)

← Manx cro (cognate)

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

← Old Irish cnú (inherited)

→ English nut (cognate)

→ Irish gallchnó (affix)

→ Irish taoschnó (compound)