Yours, Etc.: Origins and Uses of 8 Sign-Offs
early 15c., from Anglo-French embesiler "to steal, cause to disappear" (c.1300), from Old French em- (see en- (1)) + besillier "torment, destroy, gouge," of unknown origin. Sense of "to dispose of fraudulently" is first recorded 1580s. Related: Embezzled; embezzling.