Grammatical Sūtra: वा छन्दसि vā chandasi
Individual Word Components: vā chandasi
Sūtra with anuvṛtti words: vā chandasi saṁhitāyām (6.1.72), aci (6.1.77), ekaḥ (6.1.84), pūrvaparayoḥ (6.1.84), akaḥ (6.1.101), dīrghaḥ (6.1.101), pūrvasavarṇaḥ (6.1.102), ici (6.1.104), dīrghāt (6.1.105), jasi (6.1.105), ca (6.1.105)
Type of Rule: pratiṣedha
Preceding adhikāra rule:6.1.84 (1ekaḥ pūrvaparayoḥ)

Description:

In the Vedas, the long vowel may optionally be the single substitute of both vowels in these cases last mentioned. Source: Aṣṭādhyāyī 2.0

In the domain of Chándas [a single substitute 84 long vowel 101 homogeneous with the first of two contiguous vowels 102 does not 105] optionally (vā) replace [both the stem-final long vowel and the following initial vowel 84 of Jas 105 or the first and second sUP triplets 102 beginning with iC 104 in continuous utterance 72]. 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: 6.1.72, 6.1.77, 6.1.84, 6.1.101, 6.1.102, 6.1.104,

Kāśikāvṛttī¹: dīrghāt chandasi viṣaye jasi ca ici ca parato vā pūrvasavarnadīrgho na bhavati.    See More

Kāśikāvṛttī²: vā chandasi 6.1.106 dīrghāt chandasi viṣaye jasi ca ici ca parato vā pūrvasavar   See More

Nyāsa²: vā chandasi. , 6.1.102 "mārutīḥ" iti. marud()devatā āsāmiti "sāsy   See More

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