8.3.22
हलि सर्वेषाम्
Operational rule vidhi
In the context of संहिता, all the grammarians say that the normal यकार as well as the लघु-उच्चारण-यकार is removed when it is followed by a हल्-letter, provided that such a यकार occurs at end of a पद and comes after the letter अ , or if such a यकार occurs at the end of the words भोस्, भगोस्, or अघोस्.
Word by word (padaccheda)
Right context saptamī · ekavacanaTarget सर्वेषाम् ṣaṣṭhī · bahuvacana
- 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").
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
Dotted words are technical terms, dashed ones pratyāhāras (names for classes of sounds or affixes). Hover or tap one to see its card.
Full reading
सर्वेषाम्
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
(The य् when preceded by 1. भो 2. भगो 3. अघो 4. अ or 5. आ , is elided) before a consonant according to the opinion of all आचार्रचा-s.
Thus भो हसति, भगो हसति, अघो हसति; भो याति, भगो याति अघो याति, वृक्षा हसन्ति ॥ Though the anuvritti of व् and य् both is present here, yet we have taken य only to the exclusion of व् ॥ Because भो, भगो and अघो there is य् only, and never व्; and व् can come only when preceded by अ or आ : the only example of which given by Grammarians is वृक्षव् करोति 8.3.17. Here व् is not elided, because the word अशि qualifies the word हलि of this sutra.
Question:- But व् should be elided in वृक्षव् हसति, because ह is an अश् letter.
Answer:- There is no such example to be found in any standard author. Moreover Patanjali in his commentary on the Pratyahara sutra लण् says that no words can end in ह्, य्, र्, व् or ल् ॥ So that the existence of the very word वृक्षव् is doubtful.
The word sarvesham indicates that 8.3.18, even does not apply, and there is no light articulation, but lopa there too.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.