5.3.52
एकादाकिनिच्चासहाये
Operational rule vidhi
After the word एक comes also the affix आकिनिच् (आकिन्) (the word retaining its denotation) when the sense is 'without a companion'.
Word by word (padaccheda)
Left context एकात् pañcamī · ekavacanaSubstitute / term आकि prathamā · ekavacanaIndeclinable च avyayaRight context असहाये 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.
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- 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
एकात् आकिनिच् च असहाये
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
After the word एक comes also the affix आकिनिच् (आकिन्) (the word retaining its denotation) when the sense is 'without a companion'.
By the word च, the affix कन् and the elision लुक् also take effect: the elision being of कन् or आकिनिच् ॥ Thus एकाकिन् (nom. एकाकी), एककः or एकः ॥ By using असहाय, it is indicated that the word एक here is not a numeral meaning 'one', but a noun meaning 'alone'. एकोऽन्यार्थे प्रधाने च, प्रथमे, केवले तथा ॥ साधारणे, समानेऽल्पे, संख्यायां च प्रयुज्यते ॥ So that this word will have dual एकाकिनौ, and the plural एकाकिनः ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.