6.4.35
शा हौ
Operational rule vidhi
The शास्-धातु gets the 'शा' आदेश when followed by the हि-प्रत्यय of लोट्लकार.
Word by word (padaccheda)
Substitute / term शा prathamā · ekavacanaRight context हौ saptamī · ekavacana
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
- Right context Saptamī (7th case): "when X follows", the operation applies to what precedes (1.1.66 तस्मिन्निति निर्दिष्टे पूर्वस्य). Also a condition or domain ("in the sense of").
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Full reading
शा हौ
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
Before the Imperative affix हि , शा is substituted for शास्।
Thus अनुशाधि, प्रशाधि ॥ The हि is changed to धि by 6.4.101. See 6.4.22. The anuvritti of उपधायाः is not here, so शा is substituted in the room of the full word शास् and not only for the penultimate vowel of शास् ॥ The anuvritti of कित् and ङित् also is not here. Therefore, when this हि is treated as पित् 3.4.88, then too the substitution takes place, though a पित् Sarvadhatuka is not ङित् 1.2.4. Thus शाधि is also found in the Vedas as having acute on the first syllable, which can only be when धि is पित् and consequently anudatta 3.1.4
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.