Where does “unbreeding” come from?

unbreeding (English) comes from English breeding, from Middle English breedyng.

unbreeding (English): Not reproducing; present participle of unbreed

Definitions

  1. Not reproducing; present participle of unbreed

Ancestry of “unbreeding”, step by step

unbreeding traces back through two separate lines of ancestry.

via English breeding

StepLanguageWordMeaning
1EnglishbreedingPropagation of offspring through sexual...
2Middle Englishbreedyng

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Middle English breedyngEvery word from English breeding