Where does “endothermal” come from?
endothermal (English) comes from English thermal, from French thermal, from New Latin thermalis, from Ancient Greek Θέρμη, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.
endothermal (English): endothermic
Ancestry of “endothermal”, step by step