Vyākaraṇa-saṅgraha: Pada–Vibhakti–Kāraka–Lakāra–Samāsa
तुतोद तोत्ता तोत्स्यति तुदत्वतुदत्तुदेत्तुद्याद्धि । अतौत्सीदतोत्स्यदिति च रुणद्धि रूरोध रोद्धा रोत्स्यति वै ॥ ७६ ॥
tutoda tottā totsyati tudatvatudattudettudyāddhi | atautsīdatotsyaditi ca ruṇaddhi rūrodha roddhā rotsyati vai || 76 ||
‘ତୁଦ୍’ ଧାତୁରୁ—‘ତୁତୋଦ’, ‘ତୋତ୍ତା’, ‘ତୋତ୍ସ୍ୟତି’; ଏବଂ ‘ତୁଦତ୍’, ‘ତୁଦତ୍ୱ’, ‘ତୁଦେତ୍’, ‘ତୁଦ୍ୟାଦ୍’—ଏହି ରୂପ। ‘ରୁଧ୍’ ଧାତୁରୁ—‘ଅତୌତ୍ସୀତ୍’, ‘ଅତୋତ୍ସ୍ୟତ୍’; ଏବଂ ‘ରୁଣଦ୍ଧି’, ‘ରୂରୋଧ’, ‘ରୋଦ୍ଧା’, ‘ରୋତ୍ସ୍ୟତି’—ଏହି ଦୃଷ୍ଟାନ୍ତ।
Sage Narada (teaching in a technical/illustrative Vyakarana context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: vira
It highlights Vyākaraṇa (grammar) as a Vedāṅga: mastery of correct word-forms supports accurate mantra/scripture transmission, which in turn safeguards dharma and aids the seeker’s clarity on the path of mokṣa.
Indirectly: bhakti in Purāṇic practice relies on correct nāma, stotra, and mantra usage; this verse underlines the discipline of precise language as a supporting limb for devotional recitation and scriptural understanding.
Vyākaraṇa (Sanskrit grammar), specifically dhātu-based verb derivations and conjugational exemplars (agent nouns, participles, optative/benedictive-type forms, and future forms) using roots like tud and rudh.