Where does “nonmain” come from?

nonmain (English) comes from English main, from French main, from Middle French main, from Old French main, from Latin manus, from Proto-Italic manus, from Proto-Indo-European man- — human being; man; hand.

nonmain (English): Not main

Definitions

Not main

Ancestry of “nonmain”, step by step

nonmain traces back through two separate lines of ancestry.

via English main

Step	Language	Word	Meaning
1	English	main	Of chief or leading importance; prime, principal;...
2	French	main	hand; handball
3	Middle French	main	hand
4	Old French	main	hand
5	Latin	manus	hand; bravery, valor; violence, fighting
6	Proto-Italic	manus	hand
7	Proto-Indo-European	man-	human being; man; hand

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

Every word from Proto-Indo-European man- →