Fortuitous
来自Big Physics
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mid 17th century: from Latin fortuitus, from forte ‘by chance’, from fors ‘chance, luck’.
wiktionary
From Latin fortuītus.
etymonline
fortuitous (adj.)
1650s, from Latin fortuitus "happening by chance, casual, accidental," from forte "by chance," ablative of fors "chance" (related to fortuna; see fortune). It means "accidental, undesigned" not "fortunate." Earlier in this sense was fortuit (late 14c.), from French. Related: Fortuitously; fortuitousness.
