Middle English word an- comes from Old English on-
Dictionary entry | Language | Definition |
---|---|---|
on- | Old English (ang) | Denoting reverse action. Off, away (inchoactive) in, into; prefix used to intensify an action or to denote origin or initiation. Forming verbs and adjectives from participles and nouns, with various senses of on, upon, to, there, thither. |
and- | Middle English (enm) |