demoniacism
English
Etymology
Noun
demoniacism (uncountable)
- (archaic) The state of being demoniac; possession by a demon.
- (archaic) The practices of demoniacs.
References
- “demoniacism”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.