Prosperity
来自Big Physics
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Middle English: from Old French prosperite, from Latin prosperitas, from prosperus ‘doing well’.
wiktionary
prosper + -ity, from Old French prosperitet, from Latin prosperitās.
etymonline
prosperity (n.)
"flourishing or thriving condition, good fortune, wealth, success in anything good or desirable," c. 1200, prosperite, from Old French prosprete (12c., Modern French prospérité) and directly from Latin prosperitatem (nominative prosperitas) "good fortune," from prosperus (see prosper).
