3.3.122
अध्यायन्यायोद्यावसंहाराधारावायाश्च
Operational rule vidhi
And the words 1. अध्याय 2. न्याय 3. उद्याव 4. संहार 5. आधारा 6. आवयाः are anomalous.
Word by word (padaccheda)
Substitute / term अध्याय- न्याय- उद्याव- संहार- आधार- आवयाः prathamā · bahuvacanaIndeclinable च avyaya
- 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".
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Full reading
अध्याय-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
And the words 1. अध्याय 2. न्याय 3. उद्याव 4. संहार 5. आधारा 6. आवयाः are anomalous.
These words are formed by adding the affix घञ् to the exclusion of घ which would have come by rule 3.3.118. All these words are derived from roots which end in vowels. Thus अधि + इ + घञ् = अध्यायः 'a chapter or book' (lit. that in which they read); नी--न्यायः 'logic, justice', (lit. that by which men are lead); उत्-यु--उद्यावः 'mixture' (lit. that in which they blend); सम्-हृ--संहारः 'destruction' (lit. by which they are destroyed); आ-धृ-आधारः 'support' (lit. in which anything is held); आ-वि--आवायः = आवयन्ति अस्मिन् ।
The force of च is to include others not enumerated above; as, अवहारः ।
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.