Where does “cavité” come from?

cavité (Middle French) comes from Latin cavitas, from Latin cavus, from Proto-Italic kawos, from Proto-Indo-European ḱowh₁ós, from Proto-Indo-European ḱewh₁- — to swell; to be strong.

Ancestry of “cavité”, step by step

StepLanguageWordMeaning
1Latincavitascavity
2Latincavushollow, concave; excavated, channeled;...
3Proto-Italickawos
4Proto-Indo-Europeanḱowh₁óshollow
5Proto-Indo-Europeanḱewh₁-to swell; to be strong

Words derived from “cavité

Every word from Proto-Indo-European ḱewh₁-Every word from Proto-Indo-European ḱowh₁ósEvery word from Proto-Italic kawos