Where does “non-const” come from?

non-const (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.

non-const (English): Not const

Definitions

  1. Not const

Ancestry of “non-const”, step by step

non-const 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 const

StepLanguageWordMeaning
1EnglishconstA variable whose value cannot be changed...
2EnglishconstantUnchanged through time or space; permanent;...
3Middle Englishconstant
4Old Frenchconstant
5Latincōnstantem
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn
non-const — Etymology, Origin & Word History | Etymology Explorer