Where does “gordo” come from?

gordo (Old Portuguese) comes from Latin gurdus, from Proto-Italic gʷord-o-, from Proto-Indo-European gʷr̥dus.

Ancestry of “gordo”, step by step

Step	Language	Word	Meaning
1	Latin	gurdus	a dolt, jolterhead, numbskull, blockhead,...
2	Proto-Italic	gʷord-o-	stubborn, heavy
3	Proto-Indo-European	gʷr̥dus	—

gordo — Etymology, Origin & Word History | Etymology Explorer