Abdadidhiti 5.p2.11

5.p2.11

hemantaśiśirayoścaturṇāmaparapakṣāṇāmaṣṭamīṣvaṣṭakā ekasyāṃ vā pūrvedyuḥ pitṛbhyo dadyādaparedyuranvaṣṭakyamityāśvalāyanokteḥ | tisroṣṭakāstisronvaṣṭakā iti viṣṇūkteśca | ayaṃ tritvapakṣo nāśvalāyanaśākhinām | malamāse ca nānuṣṭheyametat | ṛtudvayāntargatamalamāseṣṭakānivṛttyarthatvenordhvamāgrahāyaṇyāstisroṣṭakā iti śākhāntaraprasiddhatritvanirāsārthatvena ca srotracaturgrahaṇasya vṛttikṛtā vyākhyānāt | yadyapi prayogapārijātodāhṛtāgnisamṛtau-siṃhasthe makarasthe vā proṣṭhapānmāghamāsayoḥ | kṛṣṇapakṣe'ṣṭakā kāryā gṛhasthādyaiḥ svaśaktitaḥ | iti bhādre'ṣṭakoktā tathāpyāśvalāyanaistatra nāṣṭakānāmnā saṃkalpaḥ kāryaḥ | māghyāvarṣetisaṃjñāntaravati tatratyaśrāddhe'ṣṭakādharmātideśasyāśvalāyanokteḥ | caturgrahaṇena nyūnasaṃkhyāyā ivādhikasaṃkhyāyā api nirāsaucityācca | ekasyāmiti pakṣe māghyā upariṣṭādaṣṭamyāṃ kriyeta | tatrāpi pūrvedyurānvaṣṭakyayorasaṃbhave'ṣṭakāmātramapi | yadyuvai upariṣṭānmāghyāḥ pūrṇamāsyā aparapakṣasya saptamyāmaṣṭamyāṃ navamyāmiti kriyetāpivāṣṭamyāmeveti baudhāyanokteḥ | tisra iti pakṣe mārgaśīrṣe na kāryam | amāvāsyāṣṭakāstisraḥ pauṣamāsādiṣu triṣviti pāṭhokteḥ | tatrāṣṭakāśrāddhamaparāhṇavyāpinyāmaṣṭamyāṃ pārvaṇavatkāryam | tadanurodhena pūrvedyuḥśrāddhamānvaṣṭakyaṃ ca kāryam | avaśyaṃ kāryaṃ caitat | apyanaḍuho yavasamāharedagninā vā kakṣamupoṣedeṣāmeṣṭaketi natvevānaṣṭakaḥ syādityāśvalāyanokteḥ | pratyāmnāyāntaramapi vṛttikṛtopanyastam-apicānūcānebhya udakumbhamāharedapi vā śrāddhamantrānadhīyīteti