Where does “nonskin” come from?

nonskin (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.

nonskin (English): Not relating to skin

Definitions

Not relating to skin

Ancestry of “nonskin”, step by step

nonskin 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 Skin

Step	Language	Word	Meaning
1	English	Skin	The outer protective layer of the body of any animal, including of a human
2	Middle English	skyn	The skin; A layer or cover located in the inside...

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