Biryani is derived from the Farsi word 'Birian'. Based on the name, and cooking style (Dum), one can conclude that the dish originated in Persia and/or Arabia. It could have come from Persia via Afghanistan to North India. It could have also been brought by the Arab traders via Arabian sea to Calicut. Listen more at Rathinavani New Knowledge.
Reference: https://www.quora.com/Is-it-biryani-or-briyani
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