Where does “nonvirulence” come from?

nonvirulence (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.

nonvirulence (English): The state or condition of being nonvirulent

Definitions

  1. The state or condition of being nonvirulent

Ancestry of “nonvirulence”, step by step

nonvirulence 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 virulence

StepLanguageWordMeaning
1EnglishvirulenceThe state of being virulent; A measure of how...
2Middle Frenchvirulence
3Latinvirulentia
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn