noun, noun or participle which takes 'suru'
moving the capital eastward
Historical term referring to the relocation of a capital to an eastern location, such as the move from Kyoto to Tokyo in 1869.
明治政府は1869年に東京へ東遷した。
The Meiji government moved the capital eastward to Tokyo in 1869.
遷都 is the general term for relocating a capital, while 東遷 specifically means moving it eastward.
Compound of 東 (east) and 遷 (move, transfer). The exact historical derivation is uncertain, but the term is conventionally associated with the relocation of the Japanese capital to Tokyo.