Where does “effondrement” come from?
effondrement (French) comes from French effondrer, from Old French esfondrer, from Vulgar Latin exfunderare, from Latin fundus, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.
effondrement (French): collapse
Ancestry of “effondrement”, step by step