Where does “nonnoxious” come from?

nonnoxious (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.

nonnoxious (English): Not noxious

Definitions

  1. Not noxious

Ancestry of “nonnoxious”, step by step

nonnoxious 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 noxious

StepLanguageWordMeaning
1EnglishnoxiousHarmful; injurious
2LatinnoxiusHurtful, harmful, injurious, noxious; Guilty,...
3Latinnoxahurt, harm, injury; fault, offence, crime
4Proto-Indo-Europeannoks-—
5Proto-Indo-Europeanneḱ-to perish, disappear
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →