prefix forming verbs and their derivatives meaning: 1 away, off, apart (forget; forgive). 2 prohibition (forbid). 3 abstention or neglect (forgo; forsake). 4 excess or intensity (forlorn).
[ OE for-, fr- ]
FOR
Meaning of FOR in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012