5.4.142
छन्दसि च
Operational rule vidhi
For दन्त is substituted दत् in the छन्दस् (Vedas) when final in a बहुव्रीहि समास .
Word by word (padaccheda)
Right context छन्दसि saptamī · ekavacanaIndeclinable 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").
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
छन्दसि च
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
For दन्त is substituted दत् in the छन्दस् (Vedas) when final in a बहुव्रीहि समास ।
Thus पत्रदन्तमालभेत, उभयदत आलभेत ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.