Where does “nonester” come from?

nonester (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.

nonester (English): A substance that is not an ester

Definitions

A substance that is not an ester

Ancestry of “nonester”, step by step

nonester 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 ester

Step	Language	Word	Meaning
1	English	ester	A compound most often formed by the condensation...
2	German	Ester	ester
3	Latin	Esthēr	Esther
4	Ancient Greek	Ἐσθήρ	Esther
5	Hebrew	אֶסְתֵּר	—

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