Where does “nontouching” come from?

nontouching (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.

nontouching (English): That do not touch

Definitions

That do not touch

Ancestry of “nontouching”, step by step

nontouching 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 touching

Step	Language	Word	Meaning
1	English	touching	present participle of touch; Provoking sadness...
2	Middle English	touching	—

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