5.4.158
ऋतश्छन्दसि
Operational rule vidhi
The affix कप् does not come after a बहुव्रीहि समास ending in short ऋ in the छन्दस् (Vedas).
Word by word (padaccheda)
Left context ऋतः pañcamī · ekavacanaRight context छन्दसि saptamī · ekavacana
- Left context Pañcamī (5th case): "after X", the operation applies to what follows (1.1.67 तस्मादित्युत्तरस्य). Also used for limits and sources.
- 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").
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Full reading
ऋतः छन्दसि
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix कप् does not come after a बहुव्रीहि समास ending in short ऋ in the छन्दस् (Vedas).
Thus हता माताऽस्य = हतमाता, हतपिता, हतस्वसा, सुहोता ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.