The correct answer is Ashtadhyayi.Ashtadhyayi means Eight Chapters.Sanskrit treatise on grammar was written in the 6th to 5th century BCE by the Indian grammarian Panini.This work set the linguistic standards for Classical Sanskrit.It sums up in 4,000 sutras the science of phonetics and grammar that had evolved in the Vedic religion.Panini was a Sanskrit grammarian who gave a comprehensive and scientific theory of phonetics, phonology, and morphology.Important PointsLalitavistara is the Sanskrit word that means Detailed Narration of the Sport (of the Buddha).The legendary life of the Gautama Buddha is written in a combination of Sanskrit and a vernacular.Mahavastu is the Sanskrit word that means Great Story.The important legendary life of the buddha was produced as a late canonical work by the Mahasanghika school of early Buddhism and presented as a historical introduction to the Vinaya.Buddhacharita is an epic poem in the Sanskrit Mahakavya style on the life of Gautama Buddha by Asvaghosa.