2.1.27
सामि
Operational rule vidhi
The indeclinable word सामि 'half' is compounded with a word ending in the affix क्त and the resulting compound is तत्-पुरुष .
Word by word (padaccheda)
Indeclinable सामि avyaya
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
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Full reading
सामि
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The indeclinable word सामि 'half' is compounded with a word ending in the affix क्त and the resulting compound is तत्-पुरुष ।
The word सामि being an avyaya, and not denoting any substance, cannot take the affixes of the second or any case. Therefore the anuvritti of the word द्वितीया would be inapposite in this aphorism.
As सामिकृतम् 'half-done.' सामिपीतम् 'half-drunk' सामिभुक्तम् 'half-eaten.'
The object attained by this samása is the same as in 2.1.25, namely, making them one word and taking one accent.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.