- crop O.E. cropp "bird's craw," also "head or top of a sprout or herb." The common notion is "protuberance." Cognate with O.H.G. kropf, O.N. kroppr. Meaning "harvest product" is c.1300, probably through verb meaning "cut off the top of a plant" (c.1200). The general meaning of "to cut off" is mid-15c. Related: Cropped; cropping. Women's fashion crop top is attested from 1984.
Etymology dictionary. 2014.