chronicles as the hēiyī Dàshí, "The Black-robed Tazi" (黑衣大食) ("Tazi" being a borrowing from Persian Tāzī, the word for "Arab"). Al-Rashid sent embassies...

some discussion. First, it should be understood that the Persian words (a) tāzi 'Arabian, Arabic, Arab' and (b) tāzik, tāžik, tājik 'Persian, Iranian, Tajik...