Gujarat South Arabian and Persian Gulf ports, who migrated in and out of Cambay with the rhythm of the monsoons. But others were men with Arab or Persian patronyms whose families had settled in the town generations, even centuries earlier, intermarrying with Gujarati women, and assimilating everyday customs of the Hindu hinterland. The Age of Discovery heralded the dawn of pioneer Portuguese and Spanish long-distance travel in search of alternative trade routes to "the East Indies", moved by the trade of gold, silver and spices. In 1497, Portuguese explorer Vasco da Gama is said to have discovered the Europe-to-India sea route
Fishing in Portugal preserve the codfish; drying and salting are ancient techniques to keep many nutrients and the process makes the codfish tastier. The Portuguese tried to use this method of drying and salting several fishes from their waters, but the ideal fish came from much further north. With the "discovery" of Newfoundland in 1497, Portuguese fishermen started fishing its cod-rich Grand Banks. Thus, ' became a staple of the Portuguese cuisine, nicknamed ' (faithful friend). From the 18th century the town of Kristiansund in Norway became an important place of producing bacalao or klippfish, which is also exported to Portugal. In Portugal,