tetrarchic
/tɛˈtrɑːrkɪk/
adjective
- Relating to a system of government where power is divided among four rulers, especially in ancient Rome.
- The tetrarchic reforms changed how the Roman army was organized.
- The tetrarchic system was created by Emperor Diocletian to make the empire easier to manage.
- Historians study tetrarchic coins to learn about the four co-emperors.