Karnatakabhashabhushana 3.26

Karṇāṭakabhāṣābhūṣaṇa 3.26

Language: Sanskrit

3.26.1

ataś caturthyās tr̥tīyō ’nusvārapūrvaḥ puṁsi.

[3.27] After [a stem ending in] a in the masculine, the third [consonant of the class] preceded by an anusvāra replaces the dative.
English (machine translation) (machine translation)

3.26.2

akārāntāt pulliṅgāt parabhūtāyāś caturthīvibhaktēḥ anusvārapūrvas tr̥tīyō bhavati.

In place of the dative case inflection following a masculine stem ending in a, there is the third [consonant of the class] preceded by an anusvāra.
English (machine translation) (machine translation)