3.1.77
तुदादिभ्यः शः
Operational rule vidhi
A verb belonging to the तुदादिगण gets the विकरणप्रत्यय 'श' in presence of a सार्वधातुक प्रत्यय in कर्तरि प्रयोग.
Word by word (padaccheda)
Left context तुदादिभ्यः pañcamī · bahuvacanaSubstitute / term ः prathamā · ekavacana
- Left context Pañcamī (5th case): "after X", the operation applies to what follows (1.1.67 तस्मादित्युत्तरस्य). Also used for limits and sources.
- 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
तुदादिभ्यः शः
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix श is used after the roots of तुदादि class, in denoting the agent when a सार्वधातुक affix follows.
This debars शप्. The indicatory श makes this affix a sarvadhatuka affix. As तुद + श + ति = तुद + अ + ति = तुदति 1.2.4 'he pains or torments'.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.