3.1.61
दीपजनबुधपूरितायिप्यायिभ्योऽन्यतरस्याम्
Operational rule vidhi
चिण् is optionally the substitute of च्लि , when त - 3rd Person Singular of आत्मनेपद follows after the verbs दीप् 'to shine', जन् 'to be produced', बुध् 'to teach or know', पूर् 'to be full', ताय् 'to extend or protect' and प्याय 'to smell'.
Word by word (padaccheda)
Left context दीप- जन- बुध- पूरि- तायि- प्यायिभ्यः pañcamī · bahuvacanaRight context अन्यतरस्याम् saptamī · ekavacana
- Left context Pañcamī (5th case): "after X", the operation applies to what follows (1.1.67 तस्मादित्युत्तरस्य). Also used for limits and sources.
- 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").
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Full reading
दीप-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
चिण् is optionally the substitute of च्लि , when त - 3rd Person Singular of आत्मनेपद follows after the verbs दीप् 'to shine', जन् 'to be produced', बुध् 'to teach or know', पूर् 'to be full', ताय् 'to extend or protect' and प्याय 'to smell'.
Thus अदीपि or अदीपिष्ट 'he shone'; अजनि or अजनिष्ट 'he was produced'; अबोधि or अबुद्ध 'he knew'; अपूरि or अपूरिष्ट 'he was full'; अतायि or अतायिष्ट 'he extended'; अप्यायि or अप्यायिष्ट 'he grew'.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.