Where does “nocturnalism” come from?

nocturnalism (English) comes from English nocturnal, from Middle French nocturnal, from Latin nocturnālis, from Latin nocturnus, from Latin Nox, from Proto-Italic nokts, from Proto-Indo-European nókʷts, from Proto-Indo-European negʷ- — bare, naked.

Ancestry of “nocturnalism”, step by step

nocturnalism traces back through two separate lines of ancestry.

via English nocturnal

StepLanguageWordMeaning
1EnglishnocturnalPrimarily active during the night; Taking place...
2Middle Frenchnocturnal
3Latinnocturnālisnocturnal
4LatinnocturnusOf or belonging to the night, nocturnal
5LatinNoxNight personification
6Proto-Italicnoktsnight
7Proto-Indo-Europeannókʷtsnight
8Proto-Indo-Europeannegʷ-bare, naked

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 negʷ-Every word from Proto-Indo-European nókʷtsEvery word from Proto-Italic nokts
nocturnalism — Etymology, Origin & Word History | Etymology Explorer