Meaning

noun an unfortunate mishap; especially one causing damage or injury

noun anything that happens suddenly or by chance without an apparent cause

originEtymology tree Latin accidō Latin accidēnslbor. Old French accidentbor. Middle English accident English accident First attested in the late 14th century. From Middle English accident, from Old French accident, from Latin accidēns, present active participle of accidō (“happen”); from ad (“to”) + cadō (“fall”). See cadence, case. In the sense “unintended pregnancy”, first attested in 1932.

Etymology from Wiktionary, CC BY-SA 3.0