6.4.29
अवोदैधौद्मप्रश्रथहिमश्रथाः
Operational rule vidhi
1. अवोद 2. एध 3. ओद्म 4. प्रश्रथ and 5. हिमश्रथ are irregularly formed by the elision.
Word by word (padaccheda)
Substitute / term अवोद- एध- ओद्म- प्रश्रथ- हिमश्रथाः prathamā · bahuvacana
- 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
अवोद- एध- ओद्म- प्रश्रथ- हिमश्रथाः
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
1. अवोद 2. एध 3. ओद्म 4. प्रश्रथ and 5. हिमश्रथ are irregularly formed by the elision.
Thus उन्द् - अव + उन्द् + घञ् = अवोदः; इन्ध् + घञ् = एधः, the guna is irregular, for 1.1.4 applied here, and prevented guna. उन्द + मन् = ओद्म (Unadi मन्). प्र + श्रन्थ + घञ् = प्रश्रथः (The want of Vriddhi is the irregularity). So also हिमश्रथः ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.