Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
रभद्यब्दयनुदात्तेतो ञिक्ष्विदोतात्त इन्मतः । परस्मैपदिनः पंच दश स्कंम्भ्वादयस्तथा ॥ ३३ ॥
rabhadyabdayanudātteto ñikṣvidotātta inmataḥ | parasmaipadinaḥ paṃca daśa skaṃmbhvādayastathā || 33 ||
从以 rabh 起首之根群及 abda 之类中,凡标为 anudātta 者皆属之;又从以 kṣvid 起首之根群中,具 it 标记 ṇi 且带 udātta 者——依此见解——有十五个 Parasmaipada 之根,以 skambh 等为首。
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.