1341[7]), etc. boosted the prosperity of the port.[4] The rise of Calicut, both the port and the state, seems to have taken place only after the 13th century.[18] Calicut, despite being located at a geographically inconvenient spot, owed much of its prosperity to the economic policies of the Zamorins of Calicut.[18][20] Trade at port Calicut was managed by the Muslim port commissioner known as the Shah Bandar Koya. The port commissioner supervised the customs on the behalf of the king, fixed the prices of the commodities and collected the share to the Calicut treasury.[6] The name of the famous fine variety of cotton cloth called calico is also thought to have derived from Calicut.[7]