Vyākaraṇa-saṅgraha: Pada–Vibhakti–Kāraka–Lakāra–Samāsa
टाभ्यांभिसस्तृतीया स्यात्करणे कर्तरीरिता । येन क्रियते तत्करणं सः कर्ता स्यात्करोति यः ॥ ५ ॥
ṭābhyāṃbhisastṛtīyā syātkaraṇe kartarīritā | yena kriyate tatkaraṇaṃ saḥ kartā syātkaroti yaḥ || 5 ||
第三格は ṭā・bhyām・bhis の語尾によって説かれ、具格の意に用いられ、またある構文では行為者をも表す。行為がそれによって成就するものを karaṇa(道具)といい、行為する者を kartā(作者)という。
Narada (teaching Vyakarana principles within the Moksha Dharma context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It grounds spiritual study in precision: correct understanding of grammatical roles (doer vs. instrument) supports accurate interpretation of dharma and moksha teachings, where meaning depends on how actions and agents are expressed.
Indirectly, it safeguards bhakti practice by clarifying language used in stotras, mantras, and vows—knowing who is the doer (the devotee) and what is the means (japa, worship, offerings) prevents misreading devotional instructions.
Vyākaraṇa (grammar): it defines the tṛtīyā vibhakti endings and explains the kāraka concepts of karaṇa (instrument/means) and kartṛ (agent/doer), key for parsing Vedic and Purāṇic sentences.