torment (v.)youdaoicibaDictYouDict[torment 词源字典]
c. 1300, "inflict torture on, distress," from Old French tormenter "torture, torment, oppress, agitate" (12c.), from Medieval Latin tormentare "to torment, to twist," from Latin tormentum (see torment (n.)). Related: Tormented; tormenting.[torment etymology, torment origin, 英语词源]
tormentor (n.)youdaoicibaDictYouDict
c. 1300, from Anglo-French tormentour, Old French tormenteor "torturer," agent noun from tormenter "to torture" (see torment (v.)).