6.3.120
शरादीनां च
Operational rule vidhi
The final vowel of शर etc. is lengthened before मत् when it is a name.
Word by word (padaccheda)
Target शरादीनाम् ṣaṣṭhī · bahuvacanaIndeclinable च avyaya
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
शरादीनाम् च
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The final vowel of शर etc. is lengthened before मत् when it is a name.
As शरावती, वंशावती ॥ The म of मत् is changed to व because it is a Name 8.2.11. But not so after व्रीहि &c as these belong to यवादि class 8.2.9.
1 शर, 2 वंश, 3 धूम, 4 अहि, 5 कपि 6 मणि, 7 मुनि, 8 शुचि, 9 हनु.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.