Where does “nonspurious” come from?

nonspurious (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonspurious (English): Not spurious

Definitions

Not spurious

Ancestry of “nonspurious”, step by step

nonspurious traces back through two separate lines of ancestry.

via English non

Step	Language	Word	Meaning
1	English	non	Obsolete form of none
2	French	non	no; not; a no, a negative response
3	Old French	non	no; not; Alternative form of nom
4	Latin	nōn	not
5	Old Latin	noenum	—
6	Proto-Indo-European	óynos	one; single

via English spurious

Step	Language	Word	Meaning
1	English	spurious	False, not authentic, not genuine; Extraneous;...
2	Latin	Spurius	of illegitimate birth but unknown father
3	Latin	spurius	of illegitimate birth; false, spurious
4	Proto-Indo-European	sper-	to fidget, twitch; to push; to be quick; to...

Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →