Where does “gʷʰermos” come from?

gʷʰermos (Proto-Indo-European) comes from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.

Ancestry of “gʷʰermos”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	gʷʰer-	warm, hot
2	Proto-Indo-European	gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr	—

gʷʰermos — Etymology, Origin & Word History | Etymology Explorer