Wikipedia
Original jurisdiction
The original jurisdiction of a court is the power to hear a case for the first time, as opposed to appellate jurisdiction, when a higher court has the power to review a lower court's decision.
Usage examples of "original jurisdiction".
Chalons and Macon were undoubtedly within the original jurisdiction of the Aedui.
But we may define, in a few words, the narrow limits of their original jurisdiction, which was chiefly of a spiritual, though in some instances of a temporal nature.