Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
सिद्धेद्वर्णागमाद्धंसः सिंहो वर्णविपर्ययात् । गूढोत्मा वर्णविकृतेर्वर्णनांशात्पृषोदरः ॥ ४ ॥
siddhedvarṇāgamāddhaṃsaḥ siṃho varṇaviparyayāt | gūḍhotmā varṇavikṛtervarṇanāṃśātpṛṣodaraḥ || 4 ||
‘Haṃsa’ (angsa) menjadi mantap melalui penambahan satu huruf; ‘siṃha’ (singa) diperoleh melalui pertukaran susunan huruf. ‘Gūḍhātmā’ terhasil daripada perubahan huruf, dan ‘pṛṣodara’ daripada gugurnya sebahagian huruf—demikianlah kata-kata dihuraikan melalui operasi tatabahasa ini.
Sanatkumara (in instruction to Narada on Vyakarana/Śabda-śāstra)
Vrata: none
Primary Rasa: adbhuta
Secondary Rasa: shanta
It shows that even subtle shifts in sound (varṇa) change meaning, training the seeker in precision of speech and understanding—disciplines valued in Mokṣa-dharma because correct knowledge depends on correct words.
Indirectly, it supports bhakti by emphasizing accurate recitation and comprehension of sacred names and mantras—since a small phonetic change can alter meaning, careful śabda-prayoga safeguards devotional practice.
Vyākaraṇa: derivation of words through operations like āgama (letter insertion), viparyaya (transposition), vikṛti (phonetic alteration), and nāśa/lopa (elision), illustrated with standard example-words.