5.1.91
वत्सरान्ताच्छश्छन्दसि
Operational rule vidhi
The affix छ comes in the छन्दस् (Vedas) in the five-fold senses taught in पन्थो ण नित्यम् (5.1.76), तमधीष्टो भृतो भूतो भावी (5.1.80), after a stem ending in वत्सर.
Word by word (padaccheda)
Left context वत्सरान्तात् pañcamī · ekavacanaSubstitute / term छः prathamā · 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.
- 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").
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Full reading
वत्सरान्तात् छः 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 छ comes in the छन्दस् (Vedas) in the five-fold senses taught in पन्थो ण नित्यम् 5.1.76, तमधीष्टो भृतो भूतो भावी 5.1.80, after a stem ending in वत्सर।
This debars ठञ् ॥ Thus इद्वत्सरीयः, इदावत्सरीयः ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.