7.1.79
वा नपुंसकस्य
Operational rule vidhi
The participle affix शतृ (अत्-अन्त्) optionally takes the augment नुम् after a reduplicate अङ्ग (stem) in Neuter nouns.
Word by word (padaccheda)
Indeclinable वा avyayaTarget नपुंसकस्य ṣaṣṭhī · ekavacana
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
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Full reading
वा नपुंसकस्य
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The participle affix शतृ (अत्-अन्त्) optionally takes the augment नुम् after a reduplicate अङ्ग (stem) in Neuter nouns.
Thus ददति or ददन्ति, कुलानि; दधति or दधन्तिकुलानि, जक्षति or जक्षन्ति कुलानि, जाग्रति or जाग्रन्ति कुलानि ॥ This of course applies to sarvanamasthana or strong cases.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.