Where does “nonbanana” come from?

nonbanana (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.

nonbanana (English): Not of or pertaining to bananas

Definitions

Not of or pertaining to bananas

Ancestry of “nonbanana”, step by step

nonbanana 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 banana

Step	Language	Word	Meaning
1	English	banana	An elongated curved tropical fruit that grows in...
2	Spanish	banana	banana fruit
3	Portuguese	banana	banana; penis; bras d'honneur
4	Wolof	banaana	banana

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