3.4.94
लेटोऽडाटौ
Operational rule vidhi
The augments अट् and आट् are added to the तिङ् (Personal Endings) of the लेट् (Vedic Subjunctive).
Word by word (padaccheda)
Target लेटः ṣaṣṭhī · ekavacanaSubstitute / term अ - आ औ prathamā · dvivacana
- 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
लेटः अट्-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
लेटः → अट्-
Replace leṭaḥ with aṭ-āṭau. Inherited words (anuvṛtti) may add further conditions.
Commentary
The augments अट् and आट् are added to the तिङ् (Personal Endings) of the लेट् (Vedic Subjunctive).
The augments अट् and आठ् are not to be added at once, but by turns. Thus जुष् + सिप् + अट् + त् = जोषिषत्; तारिषत्, मान्दिषत्; similarly पत् + आट् + ति = पताति; च्यावयाति । See 3.1.34 for the addition of सिप् in the above.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.