Where does “*halpa” come from?

*halpa (Proto-Finno-Ugric) comes from Proto-Germanic salwaz, from Proto-Indo-European salw-.

Ancestry of “*halpa”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	salwaz	dusky, grey; smutty, dirty, muddy; sallow
2	Proto-Indo-European	salw-	—

*halpa — Etymology, Origin & Word History | Etymology Explorer