tetrarchy
Tetrarchy (noun) means a system of government in which power is shared by four people. Example: “Historians often describe the late Roman Empire under Diocletian as a tetrarchy.”
How to use tetrarchy
Learner’s notesIn plain EnglishRule by four people, or the land they rule.
It is mostly a historical and political term.
Fill the gap
Can you complete this real example?
Historians often describe the late Roman Empire under Diocletian as a _____.
Etymology
The word came into English from Latin tetrarchia, which came from Ancient Greek. The Greek word joins a prefix meaning four to an ending meaning rule.