6.1.189
अभ्यस्तानामादिः
Operational rule vidhi
The acute accent falls on the first syllable of the reduplicate verbs when followed by an affix beginning with a vowel (the vowel being not नुट्) and being a सार्वधातुक Personal-ending.
Word by word (padaccheda)
Target ṣaṣṭhī · bahuvacanaSubstitute / term आदिः prathamā · ekavacana
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
- 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
आदिः
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
→ आदिः
Replace abhyastānām with ādiḥ. Inherited words (anuvṛtti) may add further conditions.
Commentary
The acute accent falls on the first syllable of the reduplicate verbs when followed by an affix beginning with a vowel (the vowel being not नुट्) and being a सार्वधातुक Personal-ending.
Thus द꣡दति, द꣡दतु, द꣡धति, द꣡धतु, ज꣡क्षति, ज꣡क्षतुः, जा꣡ग्रति, जा꣡ग्रतुः ॥ Before consonant affixes: दद्या꣡त् ॥ Before सेट् affixes :- जक्षितः꣡ ॥ Though the word आदि was understood here from the last aphorism, the repetition is for the sake of making this an invariable rule and not an optional rule as those in the foregoing.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.