(Dēvanāgarī: ; a patronymic meaning "descendant of [[Pani|]]") was an Ancient Indian Sanskrit grammarian from Pushkalavati, Gandhara (fl. 4th century BCE). He's known for his Sanskrit grammar, particularly for his formulation of the 3,959 rules According to Xuanzang (Hieun-Tsang), a statue of him existed at Śalātura, the place of his birth. 's grammar defines Classical Sanskrit, so that by definition lived at the end of the Vedic period: he notes a few special rules, m… (More on Dhatupatha)