algolagnia
/ˌælgəʊˈlægnɪə/noun
mass noun
- Psychiatry desire for sexual gratification through inflicting pain on oneself or others; sadomasochism【精神病学】性（受）虐狂; 痛性性狂, 受虐性变态。
词源
early 20th cent.: coined in German from Greek algos 'pain' + lagneia 'lust'.