Grammatical Sūtra: उपसर्गे रुवः upasarge ruvaḥ
Individual Word Components: upasarge ruvaḥ
Sūtra with anuvṛtti words: upasarge ruvaḥ 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), ghañ (3.3.16), bhāve (3.3.18), akartari (3.3.19), ca (3.3.19), kārake (3.3.19), saṃjñāyām (3.3.19)
Type of Rule: vidhi
Preceding adhikāra rule:3.2.134 (1ā kveḥ tacchīlataddharmatatsādhukāriṣu)

Description:

The affix 'ghañ' comes after the verb 'rû' (to roar), when it has an upasarga in composition with it. Source: Aṣṭādhyāyī 2.0

[The kŕt 1.93 affix 1.1 GHaÑ 16 is introduced after 1.2 the verbal stem 1.91] ru- `howl, scream' (II 24), co-occurring with a preverb (upasarg-é) [to form an action noun 18 denoting a kāraka other than the agent 19]. 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: 3.3.16, 3.3.18, 3.3.19

Kāśikāvṛttī¹: upasarge upapade rauter dhātor ghañ pratyayo bhavati. apo 'pavādaḥ. saṃrāvaḥ. up   See More

Kāśikāvṛttī²: upasarge ruvaḥ 3.3.22 upasarge upapade rauter dhātor ghañ pratyayo bhavati. apo   See More

Nyāsa²: upasarge ruvaḥ. , 3.3.22 "apo'pavādaḥ" iti. "ṛdorap" 3.3.57    See More

Tattvabodhinī¹: rava iti. `ṝdora'bityap. Sū #1521

Tattvabodhinī²: upasarge ruvaḥ 1521, 3.3.22 rava iti. "ṝdora"bityap.

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