Praetorium

The Latin term praetorium — or prœtorium or pretorium — originally signified a general’s tent within a Roman castra, castellum, or encampment. It derived from the name of one of the chief Roman magistrates, the praetor. (Praetor (Latin, "leader") was originally the title of the highest-ranking civil servant in the Roman Republic, but later became a position directly below the rank of consul.)