whiff

Origin

The noun is possibly: * partly a variant of Middle English wef, weffe (“bad smell, stench, stink; exhalation; vapour; tendency of something to go bad (?)”) [and other forms], possibly a variant of either: ** waf, waif, waife (“odour, scent”), possibly from waven (“to move to and fro, sway, wave; to stray, wander; to move in a weaving manner; (figuratively) to hesitate, vacillate”), from Old English wafian (“to wave”), ultimately from Proto-Indo-European *webʰ- (“to braid, weave”); or ** wef (“a blow, stroke”), from weven (“to travel, wander; to move to and fro, flutter, waver; to blow something away, waft; to cause something to move; to fall; to cut deeply; to sever; to give up, yield; to gi.