Irish glúin

← Breton glin (cognate)

← Proto-Celtic *gnūnos (inherited)

← Welsh glin (cognate)

← English knee (cognate)

← Scottish Gaelic glùin (cognate)

← Proto-Indo-European *ǵónu (inherited)

← Latin genū (cognate)

← Old Irish glún (inherited)

→ Manx glioon (cognate)