Where does “casona” come from?

casona (Spanish) comes from Spanish casa, from Latin casa, from Proto-Indo-European kat- — cub; to weave, to braid; to link or weave...

Ancestry of “casona”, step by step

Step	Language	Word	Meaning
1	Spanish	casa	house
2	Latin	casa	hut, cottage, cabin; rural property, small farm;...
3	Proto-Indo-European	kat-	cub; to weave, to braid; to link or weave...