2.4.37
लुङ्सनोर्घसॢ
Operational rule vidhi
When लुङ् (Aorist) or सन् (Desiderative) follows घसॢ is the substitute of अद् 'to eat'.
Word by word (padaccheda)
Right context लुङ्- सनोः saptamī · dvivacanaSubstitute / term घ prathamā · ekavacana
- 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").
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
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Full reading
लुङ्-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
When लुङ् (Aorist) or सन् (Desiderative) follows घसॢ is the substitute of अद् 'to eat'.
अघसत्, अघसताम्, अघसन् 'he ate.' The लृ in घस्लृ is servile and indicates the substitution of अङ् for च्वि of the Aorist 3.1.55 So also in desiderative, as, जिघत्सति, जिघत्सतः जिघत्सन्ति 'wishes to eat.'
Vart:- The verb अद् is replaced by घस् when the affix अच् follows Thus प्र + अद् + अच् = घस् + अच् = प्रघसः 'voracious.'
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.