3.1.72
संयसश्च
Operational rule vidhi
In presence of a सार्वधातुक प्रत्यय in the कर्तरि प्रयोग, the verb यस् when used with the उपसर्ग 'सम्' gets the श्यन् विकरण optionally.
Word by word (padaccheda)
Left context संयसः pañcamī · ekavacanaIndeclinable च avyaya
- Left context Pañcamī (5th case): "after X", the operation applies to what follows (1.1.67 तस्मादित्युत्तरस्य). Also used for limits and sources.
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
संयसः च
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix श्यन् is optionally used after the verb यस् 'to strive' when it is preceded by the preposition सम् and when a सार्वधातुक affix denoting an agent, follows.
Thus संयस्यति or संयसति 'he strives'.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.