Where does “nonexternal” come from?

nonexternal (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.

nonexternal (English): Not external

Definitions

Not external

Ancestry of “nonexternal”, step by step

nonexternal 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 external

Step	Language	Word	Meaning
1	English	external	Outside of something; on the exterior; Not...
2	Latin	externus	outward, external; foreign, alien, strange
3	Latin	exter	On the outside, outward, external, outer; Of...
4	Proto-Italic	*eksteros	—

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