Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
अदक्षुद्खिद्छिद्तुदिनुदः पद्यभिद्विद्यतिर्विनद् । शद्सदी स्विद्यतिस्स्कन्दिर्हदी क्रुध्क्षुधिबुध्यती ॥ ७९ ॥
adakṣudkhidchidtudinudaḥ padyabhidvidyatirvinad | śadsadī svidyatisskandirhadī krudhkṣudhibudhyatī || 79 ||
ਹੁਣ (ਹੋਰ) ਧਾਤੂ/ਰੂਪ—ਅਦਕ੍ਸ਼ੁਦ੍, ਖਿਦ੍, ਛਿਦ੍, ਤੁਦੀ, ਨੁਦ; ਅਤੇ ਪਦ੍ਯ, ਭਿਦ੍, ਵਿਦ੍ਯਤਿ, ਵਿਨਦ੍; ਸ਼ਦ੍/ਸਦੀ, ਸ੍ਵਿਦ੍ਯਤਿ, ਸਕੰਦਿ, ਹਦੀ; ਨਾਲ ਹੀ ਕ੍ਰੁਧ੍, ਕ੍ਸ਼ੁਧਿ ਅਤੇ ਬੁਧ੍ਯਤੀ।
Sanatkumara (in an instructional enumeration to Narada, within Moksha-dharma/knowledge framework)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It shows that Moksha-dharma in the Narada Purana also values disciplined knowledge (vidyā), including precise language-science (Vyākaraṇa/Vedāṅga), as a support for clarity in scripture, mantra, and right understanding.
Indirectly: by emphasizing correct verbal knowledge and comprehension (√vid, √budh), it supports accurate recitation and understanding of Vishnu-centered teachings—tools that stabilize devotion through right hearing (śravaṇa) and remembrance.
Vyākaraṇa (grammar) through a technical enumeration of dhātu/verb-forms and their senses—useful for interpreting Vedic/Puranic Sanskrit, preserving textual accuracy, and guiding correct chanting and study.