contraction of Middle English of feor (late 12c.), on ferr (c. 1300), from Old English feor "far" (see far); the a- (1) in compounds representing both of and on (which in this use meant the same thing). Spelled afer in 14c.
aestheticism
aesthetics
aet.
aetio-
afanc
afar
afeared
affability
affable
affair
affect