Satanism (n.)youdaoicibaDictYouDict[Satanism 词源字典]
1560s, "satanic disposition," from Satan + -ism. Applied 1820s-30s to the poetry of Byron, etc. Meaning "worship of Satan" dates from 1895, with reference to France, where it was said to be active at that time.[Satanism etymology, Satanism origin, 英语词源]