7.2.1
सिचि वृद्धिः परस्मैपदेषु
Operational rule vidhi
An अङ्ग ending in the सिच्-प्रत्यय gets a वृद्धि आदेश in presence of a प्रत्यय belonging to परस्मैपद.
Word by word (padaccheda)
Right context सिचि saptamī · ekavacanaSubstitute / term prathamā · ekavacanaRight context saptamī · bahuvacana
- Right context Saptamī (7th case): "when X follows", the operation applies to what precedes (1.1.66 तस्मिन्निति निर्दिष्टे पूर्वस्य). Also a condition or domain ("in the sense of").
- 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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Full reading
सिचि
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
Before the Aorist-characteristic स् (सिच्), वृद्धि is substituted in the परस्मैपद for the final of a अङ्ग (stem) ending in इ , उ , ऋ (long or short -- इको गुणवृद्धी 1.1.3).
The word इक् is to be read into this sutra by virtue of 1.1.3. As अचैषीत्, अनैषीत्, अलावीत्, अपावीत्, अकार्षीत्, अहार्षीत् 7.3.96 and 8.2.28 The antaranga guna substitution is superseded by the express mention of Vriddhi. If the antaranga guna is superseded by this vriddhi, why is not the antaranga उवङ् also superseded in न्यनुवीत्, न्यधुषीत् ? The Vriddhi does not take place, as these roots belong to कुटादि class, after which this affix is ङित् 1.2.1. The Vriddhi being thus superseded, we have उवङ् substitution. Why do we say in the Parasmaipada? Observe अच्योष्ठ, अप्लोष्ट ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.