adversity (n.)youdaoicibaDictYouDict[adversity 词源字典]
c. 1200, aduersite "misfortune, hardship, difficulty," from Old French aversité "adversity, calamity, misfortune; hostility, wickedness, malice" (Modern French adversité), from Latin adversitatem (nominative adversitas) "opposition," from adversus (see adverse).[adversity etymology, adversity origin, 英语词源]