quicklime (n.)youdaoicibaDictYouDict[quicklime 词源字典]
late 14c., from quick (adj.) "living" + lime (n.1). A loan-translation of Latin calx viva. So called perhaps for being unquenched, or for the vigorousness of its qualities; compare Old English cwicfyr "sulfur."[quicklime etymology, quicklime origin, 英语词源]