Meaning

noun the season when the leaves fall from the trees

noun a sudden drop from an upright position

noun the lapse of mankind into sinfulness because of the sin of Adam and Eve

originVerb from Middle English fallen, from Old English feallan (“to fall, fail, decay, die, attack”), from Proto-West Germanic *fallan (“to fall”), from Proto-Germanic *fallaną (“to fall”), from Proto-Indo-European *h₃elh₁- (“to collapse, fall; to destroy”). Cognates Cognate with Scots faw (“to fall”), Yola vale, vall, vole (“to fall”), North Frisian faal, fåle (“to fall”), Saterland Frisian faale…

Etymology from Wiktionary, CC BY-SA 3.0