治ち乱らん興こう亡ぼう

noun

rise and fall of nations; peace and war, prosperity and decline

A yojijukugo used in historical or political contexts to describe the cyclical nature of a nation's fortunes, encompassing both peaceful and turbulent times.

• 歴れき史しを学まなぶと、治ち乱らん興こう亡ぼうの繰くり返かえしであることがわかる。

  Studying history reveals the repeated cycle of rise and fall of nations.