From Wiktionary, the free dictionary
From Proto-Germanic *aba- (“from”).
æf-
- away, off, from, away from
- ofþynċan (“to offend, to insult”) → æfþunca, æfþanca (“offense”)
- æfgrynde ― abyss
- absence, detriment, reduction; dis-, de-, un-
- æfweard ― absent; distant
- æfwyrþ ― degradation; disgrace
- æfwyrdla ― damage
- æf- + wela (“wealth”) → æfwela (“decrease in wealth”)
- This is the stressed nominal prefix variant of of-.