Where does “nonsustenance” come from?

nonsustenance (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.

nonsustenance (English): Absence of sustenance

Definitions

  1. Absence of sustenance

Ancestry of “nonsustenance”, step by step

nonsustenance 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 sustenance

StepLanguageWordMeaning
1EnglishsustenanceSomething that provides support or nourishment
2Vulgar Latinsustenire—
3LatinsustineoI hold up or upright, uphold, keep up, bear up,...
4Latinsub-under, sub
5Proto-Indo-Europeanupóunder, below
6Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →