Where does “nonnervous” come from?

nonnervous (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.

nonnervous (English): Not relating to the nerves

Definitions

  1. Not relating to the nerves

Ancestry of “nonnervous”, step by step

nonnervous 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 nervous

StepLanguageWordMeaning
1Englishnervous"Of sinews and tendons."; "Of nerves."
2Middle Englishnervouscontaining nerves; made up of nerve-like fibres;...
3Latinnervosussinewy; nervous; vigorous, energetic
4LatinnervusA sinew, tendon, nerve, muscle; A cord, string or...
5Proto-Indo-European(s)new-
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn