At the heart of Panini's great Astadhyayi lies the concept of pratyaya, being by far the largest adhikara sutra, governing the three central adhyayas of the Astadhyayi and virtually half the sutras. This in itself bears witness to the importance of the concept in language. Indeed it has been said that to understand the Word, one needs first to understand the relation between the stem which is known and the pratyaya which is unknown but joins the stem to bring ...