3.1.149
प्रुसृल्वः समभिहारे वुन्
Operational rule vidhi
After the verbs प्रु 'to go', सृ 'to move', स्रु 'to flow' and लू 'to cut', the affix वुन् is used, when repitition is meant.
Word by word (padaccheda)
Substitute / term प्रु- सृ- ल्वः prathamā · bahuvacanaRight context समभिहारे saptamī · ekavacanaSubstitute / term वु prathamā · ekavacana
- 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
प्रु-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
After the verbs प्रु 'to go', सृ 'to move', स्रु 'to flow' and लू 'to cut', the affix वुन् is used, when repitition is meant.
As प्रु + वुन् = प्रो + अक (VII.I.I) = प्रयकः; so also, सरकः, स्रवकः, and लयकः.
The word samabhihara in the sutra indicates that the action done by the agent must be well performed. The affix vun being thus ordained for the action, when it is well performed, it follows, that it will not be employed where the action is repeatedly ill performed. The affix will be employed even when there is no repetition but the action is well performed even at the first attempt.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.