Where does “demoniacism” come from?

demoniacism (English) comes from English demoniac, from French démoniaque, from Old French demoniaque, from Latin daemōniacus, from Ancient Greek δαιμονιακός, from Ancient Greek δαίμων, from Ancient Greek δαίω, from Proto-Indo-European deh₂y- — to share, divide.

demoniacism (English): The state of being demoniac; the practices of...

Definitions

  1. The state of being demoniac; the practices of...

Ancestry of “demoniacism”, step by step

demoniacism traces back through two separate lines of ancestry.

via English demoniac

StepLanguageWordMeaning
1EnglishdemoniacPossessed or controlled by a demon; Of or...
2Frenchdémoniaquedemonic
3Old Frenchdemoniaquedemonic
4Latindaemōniacusdemonic, devilish
5Ancient Greekδαιμονιακόςdemonic, devilish
6Ancient Greekδαίμωνgod, goddess; departed soul; demon, evil spirit
7Ancient Greekδαίωto light up, to kindle, to set on fire; to burn...
8Proto-Indo-Europeandeh₂y-to share, divide
9Proto-Indo-Europeandeh₂-to share, divide

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European deh₂-Every word from Proto-Indo-European deh₂y-Every word from Ancient Greek δαίω
demoniacism — Etymology, Origin & Word History | Etymology Explorer