Where does “fundamentalis” come from?
fundamentalis (Latin) comes from Latin fundāmentum, from Latin fundō, from Latin fundus, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.
Ancestry of “fundamentalis”, step by step