In the time of Columbus, China was known as Cathay. 哥伦布,被做卡塞。
cathay [ noun ] a communist nation that covers a vast territory in eastern Asia; the most populous country in the world <noun.location>
Cathay \Ca*thay"\, n. China; -- an old name for the Celestial Empire, said have been introduced by Marco Polo and to be a corruption of the Tartar name for North China (Khitai, the country of the Khitans.)
Better fifty years of Europe than a cycle of Cathay. --Tennyson.