陪都

陪都	péi dū	provisional capital of a country (e.g. in time of war) / secondary capital / alternative capital
陪	péi	to accompany / to keep sb company / to assist / old variant of 赔
都	Dū	surname Du
都	dōu	all; both; entirely / (used for emphasis) even / already / (not) at all
都	dū	capital city / metropolis