←
Proto-Germanic *abniją (inherited)
←
Proto-Indo-European *h₃ep- (root)
←
Proto-Indo-European *h₃op- (inherited)
←
Proto-Indo-European *h₃ep- (mention)
←
Norwegian Bokmål emne (doublet)
←
Old Norse efni (inherited)
→
Norwegian Bokmål evneløs (suffix)