Where does “sous-système” come from?

sous-système (French) comes from French sous-, from Old French sus-, from Latin sub, from Proto-Italic supo, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

sous-système (French): subsystem

Definitions

  1. subsystem

Ancestry of “sous-système”, step by step

StepLanguageWordMeaning
1Frenchsous-sub-; under-
2Old Frenchsus-—
3Latinsubunder, beneath; behind; at the feet of
4Proto-Italicsupounder
5Proto-Indo-Europeanupóunder, below
6Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Italic supo →