न गतिहिंसार्थेभ्यः

Operational rule vidhi

The verbs indicating the action of - (a) movement, or (2) violence - do not get the प्रत्ययाः of आत्मनेपद in the कर्तरि प्रयोग, in the context of व्यतिहार (exchange of actions).

Word by word (padaccheda)

Indeclinable न avyayaLeft context - हिंसा- अर्थेभ्यः pañcamī · bahuvacana

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

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Full reading

न -हिंसा-अर्थेभ्यः

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

Commentary

After verbs having the sense of 'motion', or 'injury', when expressing interchange of action, the आत्मनेपद affixes are used.
This aphorism prohibits Atmanepada affixes in certain cases where by force of the last sutra Atmanepada affixes would have been obtained. As व्यतिगच्छन्ति 'they go against each other,' व्यतिहिंसन्ति 'they injure each other.' व्यतिघ्नन्ति 'they fight together.'

The word 'not' of this sutra is understood in the subsequent sutra.

Vart:- This prohibition extends to the verbs हस् 'to laugh,' and the rest. As व्यतिहसन्ति, व्यतिजल्पन्ति, व्यतिपठन्ति ॥

Vart:- Prohibition must be made of the verbs हरति 'to injure,' as संप्रहरन्ते राजानः ॥

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