3.1.73
स्वादिभ्यः श्नुः
Operational rule vidhi
A verb belonging to the स्वादिगण gets the विकरणप्रत्यय 'श्नु' in presence of a सार्वधातुक प्रत्यय in कर्तरि प्रयोग.
Word by word (padaccheda)
Left context स्वादिभ्यः pañcamī · bahuvacanaSubstitute / term नु ः 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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Pink letters are it-markers (anubandhas), tags dropped by 1.3.9. Hover or tap one for the rule that marks it, or try the it-letter finder.
Full reading
स्वादिभ्यः श्नुः
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix श्नु comes after the roots of स्वादि class when a सार्वधातुक affix denoting an agent follows.
This debars शप्. As सु + श्नु + तिप् = सु + नु + ति = सुनोति 'he presses out'. These are roots of the Fifth class.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.