Where does “nonconstant” come from?

nonconstant (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.

nonconstant (English): Not constant; A value that is not constant

Definitions

  1. Not constant; A value that is not constant

Ancestry of “nonconstant”, step by step

nonconstant 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 constant

StepLanguageWordMeaning
1EnglishconstantUnchanged through time or space; permanent;...
2Middle Englishconstant
3Old Frenchconstant
4Latincōnstantem
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn
nonconstant — Etymology, Origin & Word History | Etymology Explorer