Where does “warm” come from?

warm (Old Danish) comes from Old Norse varmr, from Proto-Germanic warmaz, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.

Ancestry of “warm”, step by step

Step	Language	Word	Meaning
1	Old Norse	varmr	warm
2	Proto-Germanic	warmaz	warm
3	Proto-Indo-European	gʷʰer-	warm, hot
4	Proto-Indo-European	gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr	—

Words derived from “warm”

varm
vekselvarm

Every word from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr →

warm — Etymology, Origin & Word History | Etymology Explorer