6.1.155
कास्तीराजस्तुन्दे नगरे
Operational rule vidhi
The words कास्तर and अजस्तुन्द are names of cities.
Word by word (padaccheda)
Substitute / term कास्तीर- अजस्तुन्दे prathamā · dvivacanaRight context नगरे saptamī · ekavacana
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
- 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").
Full reading
कास्तीर-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The words कास्तर and अजस्तुन्द are names of cities.
When not meaning cities, we have कातीरम् (ईषत् तीरमस्य); and अजतुन्दम् (अजस्येव तुन्दमस्य) ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.