Where does “infidelism” come from?

infidelism (English) comes from English infidel, from Middle French infidèle, from Latin īnfidēlis, from Latin fidēlis, from Latin fidēs, from Proto-Italic feiðos, from Proto-Indo-European bʰeydʰos, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

infidelism (English): The quality of being an infidel; lack of religious faith

Definitions

  1. The quality of being an infidel; lack of religious faith

Ancestry of “infidelism”, step by step

infidelism traces back through two separate lines of ancestry.

via English infidel

StepLanguageWordMeaning
1EnglishinfidelRejecting a specific religion; Of, characteristic...
2Middle Frenchinfidèleunfaithful
3Latinīnfidēlisunfaithful
4Latinfidēlisfaithful, loyal
5Latinfidēs
6Proto-Italicfeiðosfaithful, reliable
7Proto-Indo-Europeanbʰeydʰosfaithful, trustworthy
8Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

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 bʰeydʰ-
infidelism — Etymology, Origin & Word History | Etymology Explorer