It's derived from Medieval French, which in turn was derived from Latin (politia - civil administration), and was further derived from ancient Greek (Polis - city).
It stands for the word "cartridge"
Police
Woman Police Constable
MPO stand for Military Police Officers.
La police is the french word for police.
The Police Department is usually abbreviated PD.
It stands for criminal investigating police officer.
Of course they are - Do you think police have to stand on trains?
The word police is predominantly a noun. Police can also be a verb.
Australian Federal Police
International Police
The root word of "police" is from the French word "police," which originally meant "public order" and "government."