Where does “deviationism” come from?

deviationism (English) comes from English deviation, from Middle French deviation, from Medieval Latin deviatio, from Latin devio, from Latin de-, from Latin de, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

deviationism (English): Deviation from accepted beliefs or policies,...

Definitions

  1. Deviation from accepted beliefs or policies,...

Ancestry of “deviationism”, step by step

deviationism traces back through two separate lines of ancestry.

via English deviation

StepLanguageWordMeaning
1EnglishdeviationThe act of deviating; wandering off the correct...
2Middle Frenchdeviation
3Medieval Latindeviatioevasion, avoidance; deviation; straying
4LatindevioI stray, deviate or detour; dative masculine...
5Latinde-of; from
6LatindeThe name of the letter "D"; of, concerning,...
7Proto-Indo-EuropeandeEmphatic or contrastive particle, and, but;...

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 de