Question

what do you mean by ashtadhyay

Answer 1

panini he was a
philologist

Answer 2

The Aṣṭādhyāyī is the central part of Pāṇini's grammar, and by far the most complex. The Ashtadhyayi is the oldest linguistic and grammar text of Sanskrit surviving in its entirety, and Pāṇini refers to older texts and authors such as the Unadisutra, Dhatupatha, and Ganapatha some of which have only survived in part.

Hope it helps you.
Please make it the brainliest.