Where does “nontiered” come from?

nontiered (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.

nontiered (English): Lacking tiers or organized ranks

Definitions

  1. Lacking tiers or organized ranks

Ancestry of “nontiered”, step by step

nontiered 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 tiered

StepLanguageWordMeaning
1Englishtieredsimple past tense and past participle of tier;...
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn