8.1.40
अहो च
Operational rule vidhi
The finite verb retains its accent in connection with अहो when meaning 'praise'.
Word by word (padaccheda)
Indeclinable अहो avyayaIndeclinable च avyaya
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
अहो च
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The finite verb retains its accent in connection with अहो when meaning 'praise'.
Thus अहो देवदत्तः प꣡चति शोभनं, अहो विष्णुमित्रः करो꣡ति चारु ॥ The separation of this अहो from तु &c, of the last sutra, indicates that the next rule applies to अहो only. Had अहो been joined with तु &c, then Rule 8.1.41, would have applied to तु &c, which is not desired. Hence the making of it a separate sutra.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.