Where does “lauwarm” come from?
lauwarm (German) comes from German warm, 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.
lauwarm (German): lukewarm
Ancestry of “lauwarm”, step by step