Where does “ostal” come from?
ostal (Occitan) comes from Old Occitan ostal, from Latin hospitāle, from Latin hospitālis, from Latin hospes, from Proto-Italic hostipotis, from Proto-Italic χostipotis, from Proto-Indo-European gʰostipotis, from Proto-Indo-European pótis — to drink.
ostal (Occitan): house
Ancestry of “ostal”, step by step