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 ||
音声規則においては、「saha」はアヌダッタ(低い抑揚)を帯びるとされる。「rama」は一形のみで、さらにアートマネーパダ(ātmanepada)を取る。「sadasraya」はウダッタ(高い抑揚)と標され、また「kuca」より「vedā」も同じくウダッタと取られる。
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.