Where does “nonexhaust” come from?

nonexhaust (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.

nonexhaust (English): Not of or pertaining to exhaust

Definitions

  1. Not of or pertaining to exhaust

Ancestry of “nonexhaust”, step by step

nonexhaust traces back through two separate lines of ancestry.

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single

via English exhaust

StepLanguageWordMeaning
1EnglishexhaustTo draw or let out wholly; to drain off...
2Latinexhaustusdrawn out, exhausted, drained off, emptied,...
3LatinexhaurioI draw out, empty by drawing, exhaust, drain off,...
4Latinhauriōto draw (especially water), drain
5Proto-Italicauzjō
6Proto-Indo-Europeanh₂ews-dawn; east; to draw water, scoop up
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn