Where does “nonbrown” come from?

nonbrown (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.

nonbrown (English): Not brown

Definitions

Not brown

Ancestry of “nonbrown”, step by step

nonbrown 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 Brown

Step	Language	Word	Meaning
1	English	Brown	Alternative letter-case form of brown
2	Middle English	broun	dark, dull, murky; brown; brown-haired
3	Old English	Brūn	brown
4	Proto-Germanic	brūnaz	brown
5	Proto-Indo-European	bʰerH-	to pierce; to strike; brown

Every word from Proto-Indo-European óynos →