noun
return of the capital; reinstatement of a former capital
Historical term, especially used for the return of the capital to Kyoto after a period of relocation. Often refers to the Meiji-era proposal or earlier imperial moves.
明治政府は還都を検討したが、結局東京に留まった。
The Meiji government considered returning the capital to Kyoto, but ultimately remained in Tokyo.
南北朝時代には還都が繰り返された。
During the Nanboku-chō period, the capital was moved back and forth repeatedly.