κατάλυμά [2 verses]( noun sg neut acc/nom) "The guestchamber" is  katalyma , which means "lodging", "billet" for troops, or "provision for quarters". -- "Guestchamber" is  a noun that is only used here and in the parallel verse in Matthew, which means "lodging", "billet" for troops, or "provision for quarters"