Etymology tree Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Italic *ap Latin abder. Latin ab- Latin negō Latin abnegō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin abnegātiōbor. Middle English abnegacioun English abnegationbor. ▲ Latin abnegātiōnemlbor. French abnégationbor. ▲ Latin…