Where does “nonhydrothermal” come from?
nonhydrothermal (English) comes from English hydrothermal, 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.
nonhydrothermal (English): Not hydrothermal
Ancestry of “nonhydrothermal”, step by step