Grammatical Sūtra: स्वनहसोर्वा svanahasorvā
Individual Word Components: svanahasoḥ vā
Sūtra with anuvṛtti words: svanahasoḥ vā pratyayaḥ (3.1.1), paraḥ (3.1.2), ca (3.1.2), ādyudāttaḥ (3.1.3), ca (3.1.3), dhātoḥ (3.1.91), kṛt (3.1.93), kriyāyām (3.3.10), kriyārthāyām (3.3.10), bhāve (3.3.18), akartari (3.3.19), ca (3.3.19), kārake (3.3.19), saṃjñāyām (3.3.19), ap (3.3.57), anupasarge (3.3.61)
Type of Rule: vidhi
Preceding adhikāra rule:3.2.134 (1ā kveḥ tacchīlataddharmatatsādhukāriṣu)

Description:

The affix 'ap' comes optionally after the verbs 'svan' and 'has' when no upasarga is in composition with them. Source: Aṣṭādhyāyī 2.0

[The kŕt 1.93 affix 1.1 aP 57] is optionally (vā) introduced [after 1.2 the verbal stems 1.91] sván- `resound' (I 879) and hás- `laugh' (I 757) [to form an action noun 18 to denote a kāraka other than the agent 19 when not co-occurring with preverbs 61]. Source: From Aṣṭādhyāyī of Pāṇini In Roman Transliteration translated by Sumitra M. Katre, Copyright © 1987. Courtesy of the University of Texas Press.

Source:Srisa Chandra Vasu's Aṣṭādhyāyī of Pāṇini

Anuvṛtti: 3.3.18, 3.3.19, 3.3.57, 3.3.61

Kāśikāvṛttī¹: anupasarge ityeva. svanahasoḥ anupasargayor vā ap pratyayo bhavati. svanaḥ, svān   See More

Kāśikāvṛttī²: svanahasor vā 3.3.62 anupasarge ityeva. svanahasoḥ anupasargayor vā ap pratyayo   See More

Nyāsa²: svanahasorvā. , 3.3.62

1.Source: Arsha Vidya Gurukulam
2.Source: Sanskrit Documents