gleet (n.)youdaoicibaDictYouDict[gleet 词源字典]
mid-14c., "slime, greasy filth," from Old French glete "clay, loam; slime, mud, filth" (12c., Modern French glette), from Latin glitem (nominative glis) "sticky, glutinous ground," back-formation from glittus "sticky."[gleet etymology, gleet origin, 英语词源]