Agni Purāṇa

349 - The pratyähäras and fundamental rules in grammar

Skanda said:

1. O Katyayana! Ishall describe the essence of grammar that is of the form of perfected words for imparting to the beginners, 

2. Pratyähärası etc. are the notations facilitating the function of the treatise, Aiun rulk, eon, aiauc, hayavarat, lan, namanananam jhabhañ, ghadhadhash, jabagadadas, khaphachathathacatatav, kapay, sashasar, hal are (the fourteen) pratyāhāras. In the enumeration, the consonant at the end is indicatory. The vowel would be (read with) the nasal. The first letter being taking together with the indicative letter at the end, would become the denotative of the letters which occur in between such as aņ, en, at, yan, chav, jham, bhash, ak, ik, an, in, yan, with the letter ņa coming after wards. (Similarly we have) am, yam, fiam, ac, ic, aic, ay, may, jhay, khay, jad, jhav, khao, cav, sav, as, has, vas, jhas, al, hal, val, ral, jhal and al the pratyähäras. 

1. Several letters or affixes are comprehended as one syllable by means of combining the first letter of an aphorism with its final indicatory letter or if several aphorisms are comprehended, the final letter of the last member is combined with the first such as an etc. denoting aiup etc.