Where does “souterrain” come from?

souterrain (French) comes from French sous, from Middle French soubs, from Old French soz, from Latin subtus, from Latin sub, from Proto-Italic supo, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

souterrain (French): underground; underground passage, tunnel

Definitions

  1. underground; underground passage, tunnel

Ancestry of “souterrain”, step by step

souterrain traces back through two separate lines of ancestry.

via French sous

StepLanguageWordMeaning
1Frenchsousbelow, under; plural of sou; money
2Middle Frenchsoubsunder; underneath
3Old Frenchsozunder
4Latinsubtusbelow, underneath, beneath
5Latinsubunder, beneath; behind; at the feet of
6Proto-Italicsupounder
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-—

via French terrain

StepLanguageWordMeaning
1Frenchterrainground, landscape; field; lot, plot, parcel
2Old Frenchterrain—
3Vulgar Latinterranum—
4Latinterrenumnominative neuter singular of terrēnus;...
5LatinTerraTerra goddess of the Earth
6Proto-Indo-Europeanters-dry

Words derived from “souterrain”

Every word from Proto-Indo-European h₃ewp- →