Where does “gabia” come from?

gabia (Old Occitan) comes from Latin cavea, from Latin cavus, from Proto-Italic kawos, from Proto-Indo-European ḱowh₁ós, from Proto-Indo-European ḱewh₁- — to swell; to be strong.

Ancestry of “gabia”, step by step

Step	Language	Word	Meaning
1	Latin	cavea	hollow, cavity; cage, den, enclosure, stall,...
2	Latin	cavus	hollow, concave; excavated, channeled;...
3	Proto-Italic	kawos	—
4	Proto-Indo-European	ḱowh₁ós	hollow
5	Proto-Indo-European	ḱewh₁-	to swell; to be strong

Every word from Proto-Indo-European ḱewh₁- →

gabia — Etymology, Origin & Word History | Etymology Explorer