Where does “nonbreeding” come from?

nonbreeding (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.

nonbreeding (English): Not breeding; Not of or pertaining to breeding

Definitions

  1. Not breeding; Not of or pertaining to breeding

Ancestry of “nonbreeding”, step by step

nonbreeding 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 breeding

StepLanguageWordMeaning
1EnglishbreedingPropagation of offspring through sexual...
2Middle Englishbreedyng—
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →