Where does “sudlending” come from?

sudlending (Norwegian Nynorsk) comes from Norwegian Nynorsk -lending, from Old Norse -lendingr.

Ancestry of “sudlending”, step by step

Step	Language	Word	Meaning
1	Norwegian Nynorsk	-lending	a person from a certain part of Norway or from a...
2	Old Norse	-lendingr	—