séanceyoudaoicibaDictYouDict[séance 词源字典]
séance: see session
[séance etymology, séance origin, 英语词源]
seance (n.)youdaoicibaDictYouDict
1789, "sitting, session," as of a learned society, from French séance "a sitting," from seoir "to sit," from Latin sedere (see sedentary). Meaning "spiritualistic session" first recorded 1845.