Definition: augment अा prefixed to roots beginning with a vowel in the imperfect, aorist and conditional, which is always accented (उदात्त); cf. P.VI.4.72; (2) augment अा prefixed to the imperative first person terminations, e.g. करवाणि, करवै etc.; cf. P.III.4.92: (3) augment अा to be prefixed to caseaffixes which are डित् after nouns called nadī: e.g. कुमार्यं; cf P.VII. 3.112.