Identify "Concilium plebis" this word

The Concilium Plebis was the principal popular assembly of the ancient Roman Republic

Tribunus plebis, rendered in English as tribune of the plebs, tribune of the people, or plebeian ... They could convene the concilium plebis, which was entitled to pass legislation affecting the ... Once invoked, this right required one of the tribunes to assess the situation, and determine the lawfulness of the magistrate's action.