Etymology of the Portuguese word estau
the Portuguese word estau
derived from the Latin word hospitale (hospital; guesthouse, guestroom)
derived from the Latin word hospitalis (of or for a guest; hospitable)
derived from the Late Latin word hospes (host; guest, visitor; of relation between host and guest; that hosts; that guests)
derived from the Proto-Indo-European root *ghos-ti-
derived from the Latin word hospis
derived from the Latin word hospitus (hospitable, harboring, affording hospitality)