Where does “nonthorium” come from?

nonthorium (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.

nonthorium (English): Not of or pertaining to thorium

Definitions

  1. Not of or pertaining to thorium

Ancestry of “nonthorium”, step by step

nonthorium 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 thorium

StepLanguageWordMeaning
1EnglishthoriumA chemical element with atomic number 90: a...
2English-ium1997, Bryan Pfaffenberger, "Official Microsoft...
3Latin-umnominative neuter singular of -us; accusative...
4Proto-Italic*-om
5Proto-Indo-European*-oHom
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn