4.3.4
अर्धाद्यत्
Operational rule vidhi
The affix यत् comes after the word अर्द्ध in the remaining senses.
Word by word (padaccheda)
Left context अर्धात् pañcamī · ekavacanaSubstitute / term य 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
अर्धात् यत्
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The affix यत् comes after the word अर्द्ध in the remaining senses.
This debars अण् ॥ Thus अर्द्ध्यम् 'belonging to half.'
Vart:- When it has a prior term the affix ठञ् is used. As बालेयार्द्धिकम्, (बल्यर्थंवस्तु = बालेयं)॥ गौतमार्द्धिकम् ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.