Where does “nonnegligent” come from?

nonnegligent (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.

nonnegligent (English): Not negligent

Definitions

  1. Not negligent

Ancestry of “nonnegligent”, step by step

nonnegligent 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 negligent

StepLanguageWordMeaning
1EnglishnegligentCareless, without appropriate or sufficient...
2Old Frenchnegligent
3LatinnegligensAlternative form of neglegēns
4Latinnegligō
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn