The story
- Proto-Germanic · derived from*nibilaz“dark, misty”
- Old Norse · borrowed fromNiflheimr
- English todayNiflheim
From Old Norse Niflheimr (literally “world of mist”), ultimately from Proto-Germanic *nibilaz (“dark, misty”), from *nebulaz (“fog, mist, darkness”) + *haimaz (“home, house, village”).
Etymology from Wiktionary, CC BY-SA 4.0.