7.1.38
क्त्वाऽपि छन्दसि
Operational rule vidhi
In the छन्दस् (Vedas) the क्त्वा also, as well as ल्यप् is substituted for क्त्वा after an indeclinable compound, other than one preceded by the Negative नञ् .
Word by word (padaccheda)
Word क्त्वा Indeclinable अपि avyayaRight context छन्दसि saptamī · ekavacana
- Word Case not marked in the source data.
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- 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
क्त्वा अपि छन्दसि
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
In the छन्दस् (Vedas) the क्त्वा also, as well as ल्यप् is substituted for क्त्वा after an indeclinable compound, other than one preceded by the Negative नञ् ।
Thus कृष्णं वासो यजमानं परिधापयित्वा, प्रत्यञ्चर्मकं प्रत्यर्थयित्वा ॥ So also we have ल्यप्, as उद्धृत्य जुहोति ॥ The sutra could have been made shorter by saying merely वा छन्दसि; not doing so indicates that conditions and limitations are set aside in the Vedas in applying this affix. Therefore ल्यप् is applied even when there is no compound, as, अर्च्य तान् देवान् गतः ॥ The word छन्दसि governs the following sutras upto 7.1.50, inclusive.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.