Where does “Olafsen” come from?

Olafsen (Norwegian) comes from Norwegian Olaf, from Old Norse Óláfr, from Proto-Norse ᚨᚾᚢᛚᚨᛁᛒᚨᛉ, from Proto-Germanic anulaibaz, from Proto-Germanic laibō, from Proto-Indo-European leyp-, from Proto-Indo-European lēy- — to leave, let; to want, desire; to let; leave...

Ancestry of “Olafsen”, step by step

Step	Language	Word	Meaning
1	Norwegian	Olaf	—
2	Old Norse	Óláfr	—
3	Proto-Norse	ᚨᚾᚢᛚᚨᛁᛒᚨᛉ	—
4	Proto-Germanic	anulaibaz	—
5	Proto-Germanic	laibō	what is left, remainder, remnant
6	Proto-Indo-European	leyp-	to stick; fat or sticky substance
7	Proto-Indo-European	lēy-	to leave, let; to want, desire; to let; leave...

Every word from Proto-Indo-European lēy- →Every word from Proto-Indo-European leyp- →Every word from Proto-Germanic laibō →