initial, beginning, introductory, primary, preliminary, elementary

subordinate Court or its officer in front of which the trial of the suit begins

primary education

initiatory rites

primary schools

first aid, In the situation of an accident or mishap, immediate treatment before taking the patient to the doctor

court of original jurisdiction

a primary school

a court of original, in common law legal systems 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

First Information Report or FIR

preliminary enquiry or investigation