Old Irish ner

← Proto-Celtic *eɸros (derived)

← Proto-Celtic *nero- (mention)

← Proto-Germanic *eburaz (cognate)

← Proto-Indo-European *h₁epros (derived)

← Proto-Indo-European *h₂nḗr (mention)

← Latin aper (cognate)

← Proto-Slavic *veprь (cognate)