3.2.186
कर्तरि चर्षिदेवतयोः
Operational rule vidhi
The affix इत्र comes after the verb पू 'to purify' with the sense of the agent or instrument when it is respectively used in connection with a sage or a deity.
Word by word (padaccheda)
Right context कर्तरि saptamī · ekavacanaIndeclinable च avyayaRight context ऋषि- देवतयोः saptamī · dvivacana
- Right context Saptamī (7th case): "when X follows", the operation applies to what precedes (1.1.66 तस्मिन्निति निर्दिष्टे पूर्वस्य). Also a condition or domain ("in the sense of").
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
कर्तरि च ऋषि-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix इत्र comes after the verb पू 'to purify' with the sense of the agent or instrument when it is respectively used in connection with a sage or a deity.
That is to say, when applied to a Rishi the force is that of an instrument, and when applied to a Devata the force is that of an agent. As, पवित्रोऽयमृषिः 'this sage is sacred' (through whose instrumentality one is sanctified); अग्निः पवित्रं स मा पुनातु 'the God Agni is sacred' (one that purifies), 'let him purify me'. So also, वायुः सोमः सूर्य इन्द्रः पवित्रं ते मा पुनन्तु ।
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.