Where does “non-plus” come from?

non-plus (English) comes from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

non-plus (English): Alternative spelling of nonplus

Definitions

  1. Alternative spelling of nonplus

Ancestry of “non-plus”, step by step

StepLanguageWordMeaning
1Frenchnonno; not; a no, a negative response
2Old Frenchnonno; not; Alternative form of nom
3Latinnōnnot
4Old Latinnoenum—
5Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →