burlap (n.)youdaoicibaDictYouDict[burlap 词源字典]
1690s, probably from Middle English borel "coarse cloth," from Old French burel (see bureau); or Dutch boeren "coarse," perhaps confused with boer "peasant." The second element, -lap, meant "piece of cloth" (see lap (n.)).[burlap etymology, burlap origin, 英语词源]