Nirukta, Phonetic Variants, and Vedic Dhātu–Svara Taxonomy
तत्करोति तदाचष्टे हेतुमत्यपि णिर्मतः । धात्वर्थे कर्तृकरणाञ्चित्राद्याश्चापि धातवः ॥ ७३ ॥
tatkaroti tadācaṣṭe hetumatyapi ṇirmataḥ | dhātvarthe kartṛkaraṇāñcitrādyāścāpi dhātavaḥ || 73 ||
‘সে তা করে’ এবং ‘সে তা প্রকাশ করে’—এইভাবে হেতুমতী (প্রেরণার্থ) থাকলেও ধাতুর সংজ্ঞা নির্ধারিত। ধাত্বর্থে কর্তা‑করণপ্রধান এবং ‘চিত্র’ প্রভৃতি নানা প্রকার ধাতুও আছে।
Sanatkumara (teaching Narada in a technical exposition aligned with Vyakarana)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It frames precise speech (śabda) and correct understanding of action (karma) through Vyākaraṇa: knowing how roots convey agency and means supports clarity in dharma-practice and removes confusion that obstructs mokṣa-oriented discernment.
Indirectly: Bhakti is strengthened when scripture is understood without distortion. This verse emphasizes disciplined interpretation of words (dhātu-artha, causative sense), which protects devotional teachings from misreading.
Vyākaraṇa (grammar): classification of verbal-root meanings, including causative (hetumati) formation and how roots can denote agent (kartṛ) and instrument (karaṇa) as part of semantic analysis.