Where does “nonhorse” come from?

nonhorse (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.

nonhorse (English): That which is not a horse; Not of or pertaining...

Definitions

  1. That which is not a horse; Not of or pertaining...

Ancestry of “nonhorse”, step by step

nonhorse 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 HORSE

StepLanguageWordMeaning
1EnglishHORSEA poker variant consisting of five different...
2Middle EnglishhorseAlternative form of hors; Alternative form of...
3Old Englishhorshorse
4Proto-West Germanichrosshorse
5Proto-Germanichrussąhorse
6Proto-Indo-Europeanḱers-to run
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn