desecrate (v.)youdaoicibaDictYouDict[desecrate 词源字典]
1670s, formed from de- "do the opposite of" (see de-) + stem of consecrate. Old French had dessacrer "to profane," and there is a similar formation in Italian; but Latin desecrare meant "to make holy," with de- in this case having a completive sense. Related: Desecrated; desecrating. [desecrate etymology, desecrate origin, 英语词源]