blessed (adj.)youdaoicibaDictYouDict[blessed 词源字典]
late 12c., "supremely happy," also "consecrated" (c. 1200), past participle adjective from bless (v.). Reversed or ironic sense of "cursed, damned" is recorded from 1806. Related: Blessedly; blessedness.[blessed etymology, blessed origin, 英语词源]