gluttony (n.)youdaoicibaDictYouDict[gluttony 词源字典]
"extravagant indulgence of appetite," c. 1200, glutunie, from Old French glotonie "debauchery, gluttony," from gloton "glutton" (see glutton). Gluttonry recorded from late 12c.[gluttony etymology, gluttony origin, 英语词源]