1365 (implied in retailing), from O.Fr. retaillier "to cut off, pare, clip, divide," from re- "back" + taillier "to cut, trim" (see tailor). Sense of "recount, tell over again" is first recorded 1594. The noun meaning "sale in small quantities" is from 1433, from M.Fr. retail "piece cut off, shred, scrap, paring."