benzodiazepine (n.)youdaoicibaDictYouDict[benzodiazepine 词源字典]
1934, from benzo-, word-forming element used in chemistry to indicate presence of a benzene ring fused with another ring, + di + azo- + epine, a suffix denoting a seven-membered ring, from (h)ep(ta) (see seven).[benzodiazepine etymology, benzodiazepine origin, 英语词源]