Where does “Leiðulfr” come from?

Leiðulfr (Old Norse) comes from Old Norse leið, from Proto-Germanic laidō, from Proto-Indo-European leyt-, from Proto-Indo-European lēy- — to leave, let; to want, desire; to let; leave...

Ancestry of “Leiðulfr”, step by step

Leiðulfr traces back through two separate lines of ancestry.

via Old Norse leið

Step	Language	Word	Meaning
1	Old Norse	leið	a way; a way, a road; a course
2	Proto-Germanic	laidō	a leading; a way, course, route, direction
3	Proto-Indo-European	leyt-	to scratch; to leave, die; to go, go forth, die
4	Proto-Indo-European	lēy-	to leave, let; to want, desire; to let; leave...

via Old Norse úlfr

Step	Language	Word	Meaning
1	Old Norse	úlfr	wolf
2	Proto-Germanic	wulfaz	wolf
3	Proto-Indo-European	wĺ̥kʷos	wolf

Every word from Proto-Indo-European lēy- →Every word from Proto-Indo-European leyt- →Every word from Proto-Germanic laidō →