Praudhamanorama p36

p36

On "subsequent, invariable...": The invariable superseding the subsequent is as in: *tudati*, *ruṇaddhi*. Even setting aside the *guṇa* of a light penultimate vowel, which is subsequent, the augment *num* by "radhijabhoḥ" (Pā. sū. 7.1.61) takes effect. And one cannot say that it too is non-invariable because of the applicability of another phonetic form, for invariability is accepted in some cases merely by its contingency whether [the other rule is] applied or unapplied. The internal rule is as in: *ubhaye devamanuṣyāḥ*. Here, setting aside even the option [prescribed] by the subsequent rule "prathamacarama-" (Pā. sū. 1.1.33), the designation *sarvanāman* is given by "sarvādīni" (Pā. sū. 1.1.27), because it is internal as it does not depend on a case ending. Even an exception, if it has already found scope elsewhere, is indeed superseded by an internal rule. For example: *ayaje indram*, *grāme iha*, *sarve ittham*. Here, the lengthening of homogeneous vowels is superseded by *guṇa*, which is internal. And although that [lengthening of homogeneous vowels] is an exception to *yaṇ* and *guṇa*, it has nevertheless found scope where both bases are identical. And so the vārttika states: "*guṇa* following *ā* takes effect in place of *iṇ*, *ṅi*, and *śī*, because [otherwise] there would be lengthening of homogeneous vowels". On "is unestablished": By this, in *pacāvedam*, etc., there is no change of *e* to *ai*. On "those who do not assume an arrangement...": Although another metarule is read, "They reverse an operation even when it has been done", and the result is the same, still "not assumed" is simpler; the idea is based on the maxim, "It is better not to touch the mud from afar than to wash it off". On "they do not perform": The meaning is: just as in *niṣeduṣīm*, etc., although the augment *iṭ* before *kvasu* was applicable because it is internal, considering that the property of beginning with *val* will perish due to the future vocalization, they do not perform [it].