5.2.105
देशे लुबिलचौ च
Operational rule vidhi
When the sense if of 'locality' there may take place लुप् elision of the affixes denoting मतुप् (with the preservation of the gender and number of the word) or there may be the affixes इलच् , अण् and मतुप् after the words सिकता and शर्करा.
Word by word (padaccheda)
Right context देशे saptamī · ekavacanaSubstitute / term लुबिलचौ prathamā · dvivacanaIndeclinable च avyaya
- 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.
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
देशे लुबिलचौ च
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
When the sense if of 'locality' there may take place लुप् elision of the affixes denoting मतुप् (with the preservation of the gender and number of the word) or there may be the affixes इलच् , अण् and मतुप् after the words सिकता and शर्करा।
By च in the sutra, अण् and मतुप् are introduced. The लुप् refers to मतुप् and every affix in general. Thus सिकता अस्मिन् विद्यन्ते = सिकता देशः or सिकतिलः, सकतः or सिकतावान् 'a sandy country'. So also शर्करा देशः or शर्करिलः or शार्करः or शर्करावान् 'a stony locality'.
Why do we say when meaning a 'locality'? Observe सैकतः 'a vessel of sand', शार्कां "honey or sugar". In the case of the elision of the affix, the gender and number are preserved by (1.2. 51).
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.