इरितो वा

Operational rule vidhi

For the इरित्-verbs, the च्लि प्रत्यय is optionally converted to अङ्.

Word by word (padaccheda)

Left context इरितः pañcamī · ekavacanaIndeclinable वा avyaya

Left context Pañcamī (5th case): "after X", the operation applies to what follows (1.1.67 तस्मादित्युत्तरस्य). Also used for limits and sources.
Indeclinable An avyaya such as च "and", वा "optionally", न "not".

Dotted words are technical terms. Hover or tap one to see its card.

Full reading

इरितः वा

Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.

Commentary

अङ् is optionally the substitute of च्लि after that root which has an indicatory इर् , when the परस्मैपद terminations are used.
Thus from भिदिर् (भिद) 'to divide', we derive अभिदत् or अभैत्सीत्. But we have अभित्त in the Atmanepada. So from छिदिर् — अच्छिदत् or अच्छैत्सीत्.

Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.