Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
रभद्यब्दयनुदात्तेतो ञिक्ष्विदोतात्त इन्मतः । परस्मैपदिनः पंच दश स्कंम्भ्वादयस्तथा ॥ ३३ ॥
rabhadyabdayanudātteto ñikṣvidotātta inmataḥ | parasmaipadinaḥ paṃca daśa skaṃmbhvādayastathā || 33 ||
From the root-group beginning with rabh and from the abda class, those marked as anudātta are stated; and from the root-group beginning with kṣvid, bearing the it-marker ṇi and having udātta—according to this view—there are fifteen Parasmaipada roots, beginning with skambh and the rest.
Sanatkumara (in instruction to Narada on technical śāstra)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It shows that mokṣa-dharma study in the Narada Purana includes disciplined Vedāṅga learning—especially grammar and accent—so that Vedic recitation and scriptural understanding remain precise and error-free.
Indirectly: correct śabda (sound) and meaning support correct mantra and stotra usage; such accuracy strengthens Viṣṇu-bhakti practices by preserving the intended form and sense of sacred speech.
Vyākaraṇa and Śikṣā: it discusses dhātu-grouping, parasmaipada usage, and accent/it-markers (udātta/anudātta) used to classify verbal roots in grammatical tradition.