Grammatical Sūtra: नित्यं मन्त्रे nityaṃ mantre
Individual Word Components: nityam mantre
Sūtra with anuvṛtti words: nityam mantre udāttaḥ (6.1.159), ādiḥ (6.1.197), juṣṭārpite (6.1.209)
Type of Rule: vidhi
Preceding adhikāra rule:6.1.136 (1aḍabhyāsavyavāye 'pi)

Description:

In the Mantras, these words ((juṣṭa)) and ((arpita)) have always the acute on the first syllable. Source: Aṣṭādhyāyī 2.0

In the domain of Mántra [the initial syllable 197 of the nominal stems 4.1.1 júṣ-ṭa- `pleasant' and ár-p-i-ta- `inserted, fixed'] necessarily (nítya-m) [bears the udātta accent 159]. 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: 6.1.159, 6.1.197, 6.1.209

Kāśikāvṛttī¹: juṣṭa arpita ityete śabdarūpe mantraviṣaye nityam ādyudātte bhavataḥ. juṣṭaṃ dev   See More

Kāśikāvṛttī²: nityaṃ mantre 6.1.210 juṣṭa arpita ityete śabdarūpe mantraviṣaye nityam ādyudāt   See More

Nyāsa²: nityaṃ mantre. , 6.1.204 "kecidatra" ityādi. kiṃ punaḥ kāraṇaṃ juṣṭaśa   See More

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