gormless (adj.)youdaoicibaDictYouDict[gormless 词源字典]
c. 1746, also in early use gaumless, gawmless, "wanting sense, stupid," a British dialectal word, from gome "notice, understanding" (c. 1200), from Old Norse gaumr "care, heed" (of unknown origin); + -less.[gormless etymology, gormless origin, 英语词源]