Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
चक्षिङेकः समाख्यातो धातुरत्रात्मनेपदी । इरादयोऽनुदात्तेतो धातवस्तु त्रयोदश ॥ ३७ ॥
cakṣiṅekaḥ samākhyāto dhāturatrātmanepadī | irādayo'nudātteto dhātavastu trayodaśa || 37 ||
ここでは、ただ一つの動詞語根「cakṣiṅ」がアートマネーパダ(中語尾)であると宣示される。また「irā-」に始まる語根はアヌダッタ(低声)標を帯び、総数は十三である。
Sanatkumara (teaching Narada the Vedanga of Vyakarana)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It stresses that correct grammatical and accentual knowledge (Vyākaraṇa and Svaras) safeguards the integrity of Vedic recitation—supporting dharma and, ultimately, moksha-oriented practice.
Bhakti depends on faithful transmission of names, mantras, and hymns; this verse underlines the technical discipline (proper dhātu and accent understanding) that preserves accurate chanting used in Vishnu-bhakti.
Vyākaraṇa and Śikṣā: it notes (1) a specific dhātu being Ātmanepadī and (2) a set of dhātus identified by anudātta accent, counted as thirteen—showing how roots are classified for correct forms and recitation.