Where does “immortalism” come from?

immortalism (English) comes from English immortal, from Latin immortālis, from Latin im-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “immortalism”, step by step

immortalism traces back through two separate lines of ancestry.

via English immortal

StepLanguageWordMeaning
1EnglishimmortalNot susceptible to death; living forever; never...
2Latinimmortālisimmortal, undying, not subject to death
3Latinim-Alternative form of in-; form of "in"; in
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

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 h₁én