Patañjali is a proper Indian name. Several important Sanskrit works are ascribed to one or more authors of this name, and a great deal of scholarship has been devoted over the last century or so to the issue of disambiguation.Amongst the more important authors called Patañjali are: The author of the Mahābhāṣya, an advanced treatise on Sanskrit grammar and linguistics framed as a commentary on Kātyāyana's vārttikas (short comments) on Pāṇini's Aṣṭādhyāyī.