Where does “hell” come from?

hell (Old English) comes from Proto-West Germanic hallju, from Proto-Germanic haljō, from Proto-Indo-European ḱel- — to cover; to incline.

hell (Old English): hell

Definitions

Step	Language	Word	Meaning
1	Proto-West Germanic	hallju	the netherworld, the underworld, hell
2	Proto-Germanic	haljō	the netherworld, the underworld, hell
3	Proto-Indo-European	ḱel-	to cover; to incline

hell — Etymology, Origin & Word History | Etymology Explorer