6.2.15
सुखप्रिययोर्हिते
Operational rule vidhi
The first member of a तत्-पुरुष समास preserves its original accent when its second term is सुख or प्रिय and the sense is 'to feel delight' or 'is good'.
Word by word (padaccheda)
Right context सुखप्रिययोः saptamī · dvivacanaRight context हिते 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
सुखप्रिययोः हिते
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The first member of a तत्-पुरुष समास preserves its original accent when its second term is सुख or प्रिय and the sense is 'to feel delight' or 'is good'.
Thus ग꣡मनसुखम् 'the pleasure of going'. So also व꣡चनसुखम्, व्याह꣡रणसुखम्, ग꣡मनप्रियम्, व꣡चनप्रियम्, व्याह꣡रणप्रियम् ॥ These are appositional compounds. All the above words are formed by ल्युट् affix and have acute on the syllable preceding the affix 6.1.193. The words sukha and priya have the sense of हित or 'well' 'good' 'beneficial', i. e. when the thing denoted by the first term is the cause of pleasure or delight. When this is not the sense we have परमसुख꣡म्, परमप्रिय꣡म् ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.