ˌkakədēˈmōnēə noun
or caco·de·mo·no·ma·nia -ˌdēmənōˈmānēə
( -s )
Etymology: cacodemonia from New Latin, from Greek kakodaimonia possession by an evil spirit, from kakodaimon-, kakodaimōn; cacodemonomania from New Latin, from Greek kakodaimon-, kakodaimōn + New Latin -o- + mania
: insanity in which the patient has the delusion of being possessed by an evil spirit