Where does “Trumpianism” come from?

Trumpianism (English) comes from English ism, from English -ism, from Latin -ismus, from Ancient Greek -ισμός, from Ancient Greek -μός, from Proto-Indo-European -mós — Creates action/result nouns from verb stems.

Ancestry of “Trumpianism”, step by step

Trumpianism traces back through two separate lines of ancestry.

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

via English trumpian

StepLanguageWordMeaning
1EnglishtrumpianResembling or pertaining to the philosophy, rhetoric, and style of Donald Trump
2English-ianFrom, related to, or like; One from, belonging...
3EnglishHobbesianInvolving unrestrained, selfish, and uncivilized...
4EnglishHobbesa surname
5EnglishRobert
6Anglo-NormanRobert
Every word from Proto-Indo-European -mós
Trumpianism — Etymology, Origin & Word History | Etymology Explorer