5.2.86
पूर्वादिनिः
Operational rule vidhi
The affix इनि (इन्) comes in the sense of 'by whom something was done formerly' after the word पूर्व.
Word by word (padaccheda)
Left context पूर्वात् pañcamī · ekavacanaSubstitute / term इ ः prathamā · 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.
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Full reading
पूर्वात् इनिः
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix इनि (इन्) comes in the sense of 'by whom something was done formerly' after the word पूर्व।
The word अनेन of the last sutra is understood here. But what is the verb of which अनेन is the agent. The भुक्त does not come to be read into this sutra. Therefore we must supply some general verb such as 'doing' &c, to complete the sense. Thus पूर्वं गतमनेन = पूर्वी ॥ So also पूर्वं भुक्तं, पीतं &c. अनेन = पूर्वी s. पूर्विणौ d. पूर्विणः pl. In fact पूर्विन् means by whom some thing was done &c, formerly.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.