Where does “nontertiary” come from?

nontertiary (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.

nontertiary (English): Not tertiary

Definitions

  1. Not tertiary

Ancestry of “nontertiary”, step by step

nontertiary 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 Tertiary

StepLanguageWordMeaning
1EnglishTertiaryOf or pertaining to the first part of the...
2Latintertiāriuscontaining a third part
3Latintertiusthird, the ordinal number after secundus and...
4Latintrēsthree; 3
5Proto-Italictrēsthree
6Proto-Indo-European*tréyes—
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →