3.1.133
ण्वुल्तृचौ
Operational rule vidhi
The affixes ण्वुल् (अक्) and तृच् (तृ) are placed after all verbal roots, expressing the agent.
Word by word (padaccheda)
Substitute / term वु - तृ औ prathamā · dvivacana
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
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Full reading
ण्वुल्-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affixes ण्वुल् (अक्) and तृच् (तृ) are placed after all verbal roots, expressing the agent.
The word 'root' is understood in the above aphorism. Thus कृ 'to do' + ण्वुल् = कार + यु (VII.2. II5) = कार + अक (VII.I.I) = कारक nom. sing. कारकः 'doer.' कृ + तृच् = कर् + तृ 7.3.84 = कर्तृ nom. sing. कर्ता. So also हारकः and हर्ता.
The च् of तृच् is not indicatory, but distinguishes this affix from तृन्; the simple तृ includes both तृच् and तृन्, as in 5.3.59, and (VI.4. I54).
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.