Norn (n.)youdaoicibaDictYouDict[Norn 词源字典]
1770, from Old Norse norn (plural nornir), one of the female fates of Scandinavian mythology, related to Swedish dialectal norna "to warn, to communicate secretly," perhaps ultimately imitative of low murmuring (compare Middle High German narren "to growl, snarl").[Norn etymology, Norn origin, 英语词源]