glut (n.)youdaoicibaDictYouDict[glut 词源字典]
1530s, "a gulp, a swallowing," from glut (v.). Meaning "condition of being full or sated" is 1570s; mercantile sense "superabundance, oversupply of a commodity on the market" first recorded 1590s.[glut etymology, glut origin, 英语词源]