Where does “dogmaticism” come from?

dogmaticism (English) comes from English dogmatic, from French dogmatique, from Latin dogmaticus, from Ancient Greek δογματικός, from Ancient Greek δόγμα, from Ancient Greek δοκέω, from Ancient Greek δέχομαι, from Proto-Indo-European deḱ- — take; perceive.

Ancestry of “dogmaticism”, step by step

dogmaticism traces back through two separate lines of ancestry.

via English dogmatic

StepLanguageWordMeaning
1EnglishdogmaticAdhering only to principles which are true "a...
2Frenchdogmatiquedogmatic; person who is dogmatic
3Latindogmaticusdogmatic
4Ancient Greekδογματικόςdogmatic
5Ancient Greekδόγμαopinion, belief; decision, judgment
6Ancient GreekδοκέωTo expect, think, suppose, imagine; To seem, to...
7Ancient GreekδέχομαιTo accept, receive
8Proto-Indo-Europeandeḱ-take; perceive

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 deḱ-Every word from Ancient Greek δέχομαιEvery word from Ancient Greek δοκέω