Cathay Cathay Cathay () is an alternative historical name for China in English. During the early modern period Europeans thought of "Cathay" as a completely separate and distinct culture from China. As knowledge of East Asia increased, Cathay came to be seen as the same nation as China and the term '"Cathay" became a poetic name for the nation. The name "Cathay" originates from the word Khitan (), the name of a nomadic people who founded the Liao Empire which ruled much of today's Northern China from 907 to 1125, and who later migrated west after they were overthrown by the
Cathay his "Book on the Administration of the State", apparently as two separate countries (presumably, referring to the Liao and Song Empires, respectively). The name's currency in the Muslim world survived the replacement of the Khitan Liao dynasty with the Jurchen Jin dynasty in the early 12th century. When describing the fall of the Jin Empire to the Mongols (1234), Persian history described the conquered country as "Khitāy" or "Djerdaj Khitāy" (i.e., "Jurchen Cathay"). The Mongols themselves, in their "Secret History" (13th century) talk of both Khitans and Kara-Khitans. In about 1340 Francesco Balducci Pegolotti, a merchant from Florence, compiled the