Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
एधाद्या आत्मनेभाषा उदात्ताः षट्त्रिंशसंख्यकाः । अतादयोऽष्टत्रिंशञ्च परस्मैपदिनो मुने ॥ २० ॥
edhādyā ātmanebhāṣā udāttāḥ ṣaṭtriṃśasaṃkhyakāḥ | atādayo'ṣṭatriṃśañca parasmaipadino mune || 20 ||
ดูก่อนมุนี หมวดธาตุอาตมเนปทที่ขึ้นต้นด้วย “edh-” มีสามสิบหกธาตุ และเป็นพวกมีสำเนียงอุทาตตะ ส่วนหมวดธาตุปรัสไมปทที่ขึ้นต้นด้วย “atā-” มีสามสิบแปดธาตุ॥๒๐॥
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It underscores that mastery of Vedāṅga knowledge—especially Vyākaraṇa and accent—supports precise Vedic recitation and correct understanding, which are treated as aids to dharma and ultimately mokṣa.
Indirectly: accurate grammar and pronunciation preserve mantra integrity, which strengthens disciplined worship and scriptural study—foundational supports for steady Viṣṇu-bhakti in the Purāṇic framework.
Vyākaraṇa and Śikṣā: the verse lists counts of dhātu-groups classified by voice (Ātmanepada/Parasmaipada) and marked accent (udātta), reflecting technical rules used in correct derivation and recitation.