Where does “warm” come from?
warm (Alemannic German) comes from Middle High German warm, from Old High German warm, from Proto-West Germanic warm, from Proto-Germanic warmaz, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.
warm (Alemannic German): warm
Ancestry of “warm”, step by step