Where does “nontrade” come from?

nontrade (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.

nontrade (English): Not of or pertaining to trade

Definitions

Not of or pertaining to trade

Ancestry of “nontrade”, step by step

nontrade 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 trade

Step	Language	Word	Meaning
1	English	trade	Buying and selling of goods and services on a...
2	Middle English	trade	path, course of conduct
3	Middle Low German	trade	track, course
4	Old Saxon	trada	spoor, track
5	Proto-West Germanic	*trudo	—

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