Where does “antidemonic” come from?

antidemonic (English) comes from English demonic, from Latin daemonicus, from Ancient Greek δαιμονικός, from Ancient Greek δαίμων, from Ancient Greek δαίω, from Proto-Indo-European deh₂y-, from Proto-Indo-European deh₂- — to share, divide.

antidemonic (English): Opposing or countering demons

Definitions

  1. Opposing or countering demons

Ancestry of “antidemonic”, step by step

antidemonic traces back through two separate lines of ancestry.

via English demonic

StepLanguageWordMeaning
1EnglishdemonicPertaining to demons or evil spirits; demoniac;...
2Latindaemonicusdemonic, devilish
3Ancient Greekδαιμονικόςpossessed by a demon, sent by a demon
4Ancient Greekδαίμωνgod, goddess; departed soul; demon, evil spirit
5Ancient Greekδαίωto light up, to kindle, to set on fire; to burn...
6Proto-Indo-Europeandeh₂y-to share, divide
7Proto-Indo-Europeandeh₂-to share, divide

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European deh₂-Every word from Proto-Indo-European deh₂y-Every word from Ancient Greek δαίω
antidemonic — Etymology, Origin & Word History | Etymology Explorer