Where does “subterraneous” come from?

Subterraneous comes from Latin subterraneus, from Latin sub meaning under and Latin terra meaning earth, ultimately from Proto-Indo-European upo meaning under.

subterraneous (English): Subterranean

Definitions

  1. Subterranean

Ancestry of “subterraneous”, step by step

StepLanguageWordMeaning
1Latinsubterraneusunderground, subterranean
2Latinsub-under, sub
3Proto-Indo-Europeanupóunder, below
4Proto-Indo-Europeanh₃ewp-

Words derived from “subterraneous

Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Latin sub-