7.3.119
अच्च घेः
Operational rule vidhi
The ङि-प्रत्यय that comes after a घिसंज्ञक इकारान्त/उकारान्त word gets औ-आदेश, and the भवति, and the last letter of the घिसंज्ञक अङ्ग gets an अकारादेश .
Word by word (padaccheda)
Substitute / term अत् prathamā · ekavacanaIndeclinable च avyayaLeft context 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
अत् च
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
After a घि -- शेषो घ्यसखि 1.4.7, अङ्ग (stem) ending in short इ or उ , औ is substituted for the इ of the Locative -7th case singular and अ is substituted for the final of such a घि अङ्ग (stem).
As अग्नौ, वायौ, कृतौ, धेनौ, पटौ ॥ The short अ is substituted, in order to prevent the टाप् affix in the Feminine. Those who read 118 and 119 combined as औदच्च घेः translate it thus: "After every other stem ending in इ and उ (i. e. which is not a Nadi), औ is substituted for the Locative Singular इ, whereby for the final of Ghi stems, अ is substituted". They do so on the analogy of the sutra कर्तुः क्यङ् सलोपश्च 3.1.11.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.