Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
चक्षिङेकः समाख्यातो धातुरत्रात्मनेपदी । इरादयोऽनुदात्तेतो धातवस्तु त्रयोदश ॥ ३७ ॥
cakṣiṅekaḥ samākhyāto dhāturatrātmanepadī | irādayo'nudātteto dhātavastu trayodaśa || 37 ||
Di sini, satu akar kata kerja “cakṣiṅ” sahaja dinyatakan sebagai Ātmanepadī (mengambil akhiran suara tengah). Dan akar-akar yang bermula dengan “irā-” ialah yang bertanda anudātta; jumlahnya tiga belas.
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.