6.4.4
न तिसृचतसृ
Operational rule vidhi
The words तिसृ and चतसृ do not become दीर्घ in presence of the नाम् प्रत्यय.
Word by word (padaccheda)
Indeclinable न avyayaWord तिसृ- चतसृ
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- Word Case not marked in the source data.
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Full reading
न तिसृ-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The finals of तिसृ and चतसृ are not lengthened before नाम् (having the augment नुट्).
As तिसृणाम्, चतसृणाम् ॥ The very fact of this prohibition proves by implication that the final ऋ of these words is not changed to र before a genitive plural, 7.2.100 notwithstanding. In fact नुट् is added before scope is given to that rule, and thus the preceding rule 7.1.54 prevents the application of the subsequent rule 7.2.100.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.