Where does “nihilism” come from?

Nihilism comes from French nihilisme, from Latin nihil meaning nothing, ultimately from Proto-Indo-European ne meaning not.

nihilism (English): The view that all endeavours are devoid of...

Definitions

Step	Language	Word	Meaning
1	French	nihilisme	nihilism
2	German	Nihilismus	nihilism
3	Latin	nihil	indefinite nothing
4	Latin	nihilum	nothing; no value
5	Latin	nē	—
6	Latin	gēns	—
7	Proto-Italic	*gentis	—
8	Proto-Indo-European	ǵénh₁tis	birth, production
9	Proto-Indo-European	ǵenh₁-	to produce, to beget, to give birth

nihilism — Etymology, Origin & Word History | Etymology Explorer