Grammatical Sūtra: सौ च sau ca
Individual Word Components: sau ca
Sūtra with anuvṛtti words: sau ca dīrghaḥ (6.3.111), aṅgasya (6.4.1), nopadhāyāḥ (6.4.7), asambuddhau (6.4.8), inhanpūṣāryamṇām (6.4.12)
Type of Rule: niyama
Preceding adhikāra rule:6.4.1 (1aṅgasya)

Description:

The penultimate vowels of a stem ending in ((in)), ((han)), ((pūṣan)) or ((aryaman)) are lengthened before the affix ((su)) of the Nominative Singular but not in Vocative Singular. Source: Aṣṭādhyāyī 2.0

[A substitute long vowel 3.111 replaces the penultimate vowel 7 of an áṅga 1 ending in 1.1.72 °-ín-, °-hán-, °-pūṣ-án- and °-arya-mán- `names of divinities' 12 before non-vocative 8 sUP triplet] sU also. 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: 6.4.7, 6.4.8, 6.4.12

Kāśikāvṛttī¹: sāvasambuddhau parataḥ inhanpūṣaryamṇām upadhāyā dīrgho bhavati. daṇḍī. vṛtrahā.   See More

Kāśikāvṛttī²: sau ca 6.4.13 sāvasambuddhau parataḥ inhanpūṣaryamṇām upadhāyā dīrgho bhavati.    See More

Nyāsa²: sau ca. , 6.4.13 pūrveṇa niyamena sau dīrghatvaṃ na prāpnotīti vidhyartho'yamāra   See More

Laghusiddhāntakaumudī¹: innādīnāmupadhāyā dīrgho'saṃbuddhau sau. vṛtrahā. he vṛtrahan.. Sū #287

Laghusiddhāntakaumudī²: sau ca 287, 6.4.13 innādīnāmupadhāyā dīrgho'saṃbuddhau sau. vṛtrahā. he vṛtrahan

Bālamanoramā¹: sau ca. pūrvasūtramanuvartate. tatra yadanuvṛttaṃ tacca. tadāha–innādīnāmiti. as   See More

Bālamanoramā²: sau ca , 6.4.13 sau ca. pūrvasūtramanuvartate. tatra yadanuvṛttaṃ tacca. tadāha-   See More

Tattvabodhinī¹: sau ceti. `śisvo'riti vaktavye yogavibhāga uttarārthaḥ. vṛtraheti. vṛtraṃ Sū #317   See More

Tattvabodhinī²: so ca 317, 6.4.13 sau ceti. "śisvo"riti vaktavye yogavibhāga uttarārth   See More

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