Where does “subsonic” come from?

subsonic (Romanian) comes from French subsonique, from French sub-, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

subsonic (Romanian): subsonic

Definitions

  1. subsonic

Ancestry of “subsonic”, step by step

StepLanguageWordMeaning
1Frenchsubsoniquesubsonic
2Frenchsub-sub
3Latinsub-under, sub
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Latin sub- →