Irish fiafraigh

← Proto-Celtic *eɸirom (derived)

← Proto-Celtic *uɸo (mention)

← Proto-Celtic *sagyo- (mention)

← Proto-Indo-European *seh₂g- (root)

← Proto-Indo-European *h₁epi (derived)

← Proto-Indo-European *upo (mention)

← Proto-Indo-European *seh₂g- (mention)

← Middle Irish fíarfaigid (inherited)

← Middle Irish íarfaigid (mention)

← Old Irish ·íarfaig (inherited)

← Old Irish íarmi·foich (mention)

← Old Irish íarmi- (mention)

← Old Irish fo- (mention)

← Old Irish saigid (mention)