Where does “noninjective” come from?

noninjective (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.

noninjective (English): Not injective

Definitions

  1. Not injective

Ancestry of “noninjective”, step by step

noninjective 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 injective

StepLanguageWordMeaning
1Englishinjectiveof, relating to, or being an injection: such that...
2Frenchinjectifinjective
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →