Where does “nonfungicide” come from?

nonfungicide (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.

nonfungicide (English): Any compound that is not a fungicide

Definitions

Any compound that is not a fungicide

Ancestry of “nonfungicide”, step by step

nonfungicide 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 fungicide

Step	Language	Word	Meaning
1	English	fungicide	A substance used to kill fungus
2	English	fungi	plural of fungus; Spongy, abnormal growth, as...
3	Latin	fungī	—

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