Where does “nonaccident” come from?

nonaccident (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.

nonaccident (English): An event that is not an accident

Definitions

  1. An event that is not an accident

Ancestry of “nonaccident”, step by step

nonaccident 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 accident

StepLanguageWordMeaning
1EnglishaccidentAn unexpected event with negative consequences...
2Middle Englishaccident—
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →