A more thorough explanation:

Definition: Eirenarcha (pronounced I-rə-nahr-kə) is a term from Roman law that refers to a provincial justice of the peace. The word comes from the Greek words eirene, meaning "peace," and archein, meaning "to rule." An eirenarcha is responsible for maintaining order in their province.

Example: In ancient Rome, an eirenarcha would have been appointed to oversee a particular region and ensure that the laws were being followed. They would have had the power to settle disputes and punish those who broke the law.

Explanation: The example illustrates how an eirenarcha would have functioned in ancient Rome. They were responsible for maintaining peace and order in their region, and had the authority to make decisions and enforce the law. This was an important role in a society that valued stability and security.