6.2.198
सक्थं चाक्रान्तात्
Operational rule vidhi
The word सक्थ has acute accent (उदात्त) on the final optionally when preceded by any word other than what ends in क्र.
Word by word (padaccheda)
Substitute / term सक्थम् prathamā · ekavacanaIndeclinable च avyayaLeft context अक्रान्तात् pañcamī · ekavacana
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- Left context Pañcamī (5th case): "after X", the operation applies to what follows (1.1.67 तस्मादित्युत्तरस्य). Also used for limits and sources.
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Full reading
सक्थम् च अक्रान्तात्
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The word सक्थ has acute accent (उदात्त) on the final optionally when preceded by any word other than what ends in क्र।
The word सक्थ is the samasanta form of सक्थि 5.4.113. Thus गौरसक्थः꣡ or गौर꣡सक्थः, श्लक्ष्णसक्थः꣡ or श्लक्ष्ण꣡सक्थः The word गौर being formed by प्रज्ञादि अण् and श्लक्ष्ण by कस्न (Unadi III.19) are both end-acute. Why 'not after a word ending in क्र'? Observe चक्रसक्थः꣡ which is always oxytone as it is formed by षच् 5.4.113 a चित् affix.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.