glut (v.) Look up glut at Dictionary.com
early 14c., "to swallow too much; to feed to repletion," probably from Old French gloter "to swallow, gulp down," from Latin gluttire "swallow, gulp down," from PIE root *gwele- (3) "to swallow" (cognates: Russian glot "draught, gulp"). Related: Glutted; glutting.
glut (n.) Look up glut at Dictionary.com
1530s, "a gulp," from glut (v.). Meaning "condition of being full or sated" is 1570s; mercantile sense is first recorded 1590s.