magnum (n.)youdaoicibaDictgodict[magnum 词源字典]
1788, "bottle containing two quarts of wine or spirits," from Latin magnum, neuter of magnus "great in size" (see magnate). Registered 1935 by Smith & Wesson Inc., of Springfield, Massachusetts, as the name of a powerful type of handgun.[magnum etymology, magnum origin, 英语词源]