Where does “paarnaq” come from?

paarnaq (Greenlandic) comes from Proto-Inuit *paunʁa-, from Proto-Eskimo *paɣunʁa-.

Ancestry of “paarnaq”, step by step

Step	Language	Word	Meaning
1	Proto-Inuit	*paunʁa-	—
2	Proto-Eskimo	*paɣunʁa-	—