6.3.85
ज्योतिर्जनपदरात्रिनाभिनामगोत्ररूपस्थानवर्णवयोवचनबन्धुषु
Operational rule vidhi
This substitution of स for समान् takes place before 1. ज्योतिस् 2. जनपद 3. रात्रि 4. गोत्र 5. रूप 6. स्थान 7. वर्ण 8. वयस् 9. वचन and 10. बन्धु in the common language also.
Word by word (padaccheda)
Right context ज्योतिः- जनपद- रात्रि- नाभि- नाम- - रूप- स्थान- वर्ण- वयस्- वचन- बन्धुषु 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").
Dotted words are technical terms. Hover or tap one to see its card.
Full reading
ज्योतिः-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
This substitution of स for समान् takes place before 1. ज्योतिस् 2. जनपद 3. रात्रि 4. गोत्र 5. रूप 6. स्थान 7. वर्ण 8. वयस् 9. वचन and 10. बन्धु in the common language also.
Thus सज्योतिः, सजनपदः, सरात्रिः, सनाभिः, सनामा, सगोत्रः, सरूपः, सस्थानः, सवर्णः, सवयाः, सवचनः, सबन्धुः ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.