Where does “Ragnhild” come from?

Ragnhild (Swedish) comes from Old Norse Ragnhildr, from Old Norse hildr, from Proto-Germanic hildiz — battle, fight.

Ancestry of “Ragnhild”, step by step

Step	Language	Word	Meaning
1	Old Norse	Ragnhildr	—
2	Old Norse	hildr	battle
3	Proto-Germanic	hildiz	battle, fight

Ragnhild — Etymology, Origin & Word History | Etymology Explorer