Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
सहोऽनुदात्तेदेकस्तु रमैकोऽप्यात्मनैपदी । सदस्रय उदात्तेतः कुचाद्वेदा उदात्त इत् ॥ २९ ॥
saho'nudāttedekastu ramaiko'pyātmanaipadī | sadasraya udāttetaḥ kucādvedā udātta it || 29 ||
नियम-समूह में ‘सह’ को अनुदात्त-युक्त माना गया है; ‘रम’ एकरूप होकर भी आत्मनेपदी कहा गया है। ‘सदस्रय’ उदात्त-चिह्नित है; और ‘कुच’ से ‘वेदा’ भी उदात्त-युक्त ग्रहण किया जाता है॥२९॥
Sanatkumāra (teaching Nārada the technical marks of Śikṣā/Vyākaraṇa usage)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It emphasizes that correct Vedic recitation depends on precise phonetics—especially udātta/anudātta accents—because mantra efficacy and faithful transmission of Vedic knowledge rely on accurate sound.
While not directly devotional, it supports bhakti practice by safeguarding mantra-śravaṇa and japa: devotion expressed through Vedic or Vaiṣṇava mantra recitation must preserve correct pronunciation and accent.
Śikṣā (phonetics) through udātta/anudātta accent indications, and Vyākaraṇa usage through noting forms that take ātmanepada (middle-voice) endings.