Where does “nonprotective” come from?

nonprotective (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.

nonprotective (English): Not protective

Definitions

  1. Not protective

Ancestry of “nonprotective”, step by step

nonprotective 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 protective

StepLanguageWordMeaning
1Englishprotectiveserving, intended or wishing to protect;...
2Medieval Latinprōtēctīvus
Every word from Proto-Indo-European óynos