Where does “subnervans” come from?

subnervans (Latin) comes from Latin subnervo, from Latin sub, from Proto-Italic supo, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Definitions

Ancestry of “subnervans”, step by step

StepLanguageWordMeaning
1LatinsubnervoI hamstring; I invalidate or refute
2Latinsubunder, beneath; behind; at the feet of
3Proto-Italicsupounder
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Italic supo →