Grammatical Sūtra: अवे तॄस्त्रोर्घञ् ave tṝstrorghañ
Individual Word Components: ave tṝstroḥ ghañ
Sūtra with anuvṛtti words: ave tṝstroḥ ghañ 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), karaṇādhikaraṇayoḥ (3.3.117), puṁsi (3.3.118), saṃjñāyām (3.3.118)
Type of Rule: vidhi
Preceding adhikāra rule:3.2.134 (1ā kveḥ tacchīlataddharmatatsādhukāriṣu)

Description:

The affix 'ghañ' comes after the roots 'tṛi' (to cross) and 'stṛû' (to spread), when the upasarga 'ava' is in composition with them, and when the word so formed is an appellative related to the verb either as an instrument or as a location. Source: Aṣṭādhyāyī 2.0

[The kŕt 1.93 affix 1.1] GHaÑ is introduced [after 1.2 the verbal stems 1.91] tr̄- `cross over, traverse' (1.1.18) and str̄- `cover, spread' (IX 14), co-occurring with the preverb áva-° [to form a masculine noun denoting a name 117-118 signifying an instrument or locus 117]. 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: 3.3.117, 3.3.118

Kāśikāvṛttī¹: ave upapade tarateḥ stṛṇāteśca dhātoḥ karanādhikaraṇayoḥ saṃjñāyām ghañ pratyayo   See More

Kāśikāvṛttī²: ave tṝstror ghañ 3.3.120 ave upapade tarateḥ stṛṇāteśca dhātoḥ karanādhikaraṇa   See More

Nyāsa²: ave tṛ?strorghañ. , 3.3.120 "stṛṇāteḥ"iti. "stṛñ ācchādane"    See More

Laghusiddhāntakaumudī¹: avatāraḥ kūpādeḥ. avastāro javanikā.. Sū #877

Laghusiddhāntakaumudī²: ave tṝstrorghañ 877, 3.3.120 avatāraḥ kūpādeḥ. avastāro javanikā॥

Tattvabodhinī¹: ave. ave upapade tṛ?sta-ḍabhyāṃ karaṇādhikāraṇayoḥ puṃsi saṃjñāyāṃ ghañsyāt. gh Sū #1574   See More

Tattvabodhinī²: ave tṛ?ruāorghañ 1574, 3.3.120 ave. ave upapade tṛ()sta-ḍabhyāṃ karaṇādhikāraṇay   See More

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