Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
धेटः परस्मैपदिनः षट्चत्वारिंशदुदीरिताः । अष्टादश स्मिङाद्यास्तु आमनेपदिनो मताः ॥ ३१ ॥
dheṭaḥ parasmaipadinaḥ ṣaṭcatvāriṃśadudīritāḥ | aṣṭādaśa smiṅādyāstu āmanepadino matāḥ || 31 ||
ในบรรดาธาตุที่ขึ้นต้นด้วย ‘เธฏ’ มีสี่สิบหกที่ประกาศว่าเป็นปรัสไมปทะ. ส่วนธาตุที่ขึ้นต้นด้วย ‘สมิง’ เป็นต้น มีสิบแปดที่ถือว่าเป็นอาตมเนปทะ॥๓๑॥
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It highlights Vedāṅga-Vyākaraṇa as a support for dharma and mokṣa: correct knowledge of verbal forms safeguards accurate recitation, interpretation, and application of śāstra and mantras.
Indirectly, it supports bhakti by stressing linguistic precision: devotional hymns and Vishnu-nāma recitation become more reliable when grammar and verb-forms are properly understood.
Vyākaraṇa (grammar): a technical enumeration of dhātu-groups classified by pada-bheda—Parasmaipada versus Ātmanepada—used for correct conjugation in study and ritual contexts.