6.2.123
तत्पुरुषे शालायां नपुंसके
Operational rule vidhi
The word शाला at the end of a तत्-पुरुष समास when exhibited in the Neuter has acute on the first syllable.
Word by word (padaccheda)
Right context saptamī · ekavacanaRight context शालायाम् saptamī · ekavacanaRight context नपुंसके saptamī · ekavacana
- Right context Saptamī (7th case): "when X follows", the operation applies to what precedes (1.1.66 तस्मिन्निति निर्दिष्टे पूर्वस्य). Also a condition or domain ("in the sense of").
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Full reading
शालायाम् नपुंसके
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The word शाला at the end of a तत्-पुरुष समास when exhibited in the Neuter has acute on the first syllable.
Thus ब्राह्मणशा꣡लम्, क्षत्रियशा꣡लम् ॥ The compound becomes Neuter by 2.4.25. Why do we say "in a Tatpurusha"? Observe दृढशाल ब्राह्मणकुलम् which is a Bahuvrihi compound and therefore first member retains its accent (VI.2. I), and as the first member is a Nishtha word, it has acute on the final. Why do we say "the word शाला?" Observe ब्राह्मणसेनम् ॥ Why do we say 'in the Neuter'? Observe ब्राह्मणशाला ॥ Compare 6.2.86.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.