Taw, tav, or taf is the twenty-second and last letter of the Semitic abjads, including Phoenician Tāw , Hebrew Tav ת, Aramaic Taw , Syriac Taw ܬ, and Arabic ت Tāʼ (22nd in abjadi order, 3rd in modern order). In Arabic, it is also gives rise to the derived letter ث Ṯāʼ. Its original sound value is /t/.