Where does “nonobserved” come from?

nonobserved (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.

nonobserved (English): Not observed

Definitions

  1. Not observed

Ancestry of “nonobserved”, step by step

nonobserved 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 observed

StepLanguageWordMeaning
1Englishobservedsimple past tense and past participle of observe;...
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →