Old Irish focren

← Proto-Celtic *uɸokʷrinati (inherited)

← Proto-Celtic *uɸo- (mention)

← Proto-Celtic *kʷrinati (mention)

← Welsh gobryn (cognate)

← Welsh gobr (mention)

← Proto-Indo-European *kʷreyh₂- (root)

← Old Irish fo- (affix)

← Old Irish crenaid (affix)