Where does “nontrilobite” come from?

nontrilobite (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.

nontrilobite (English): Any organism that is not a trilobite

Definitions

  1. Any organism that is not a trilobite

Ancestry of “nontrilobite”, step by step

nontrilobite 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 trilobite

StepLanguageWordMeaning
1EnglishtrilobiteAn extinct arthropod of the class Trilobita,...
2TranslingualTrilobitaclass
3Ancient Greekτρεῖςthree
4Proto-Hellenictréyesthree
5Proto-Indo-European*tréyes—
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →