6.2.19
न भूवाक्चिद्दिधिषु
Operational rule vidhi
The words भू , वाक् , चित् and दिधिषू however do not preserve their original accent in तत्-पुरुष समास when coming before the word पति denoting 'master' or 'lord'.
Word by word (padaccheda)
Indeclinable न avyayaSubstitute / term भू- वाक्- चित्- दिधिषु prathamā · ekavacana
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
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Full reading
न भू-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The words भू , वाक् , चित् and दिधिषू however do not preserve their original accent in तत्-पुरुष समास when coming before the word पति denoting 'master' or 'lord'.
This debars the accent taught by the last aphorism. Thus भूपतिः꣡, वाक्पतिः꣡, चित्पतिः꣡, दिधिषूपतिः꣡ ॥ All these are Genitive compounds and are finally accented by 6.1.223.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.