Pāṇini 6.1.192

Grammatical Sūtra: भीह्रीभृहुमदजनधनदरिद्राजागरां प्रत्ययात् पूर्वम् पिति bhīhrībhṛhumadajanadhanadaridrājāgarāṃ pratyayāt pūrvam piti Chantings of the aṣṭādhyāyī kindly with permision Sai Susarla.
Individual Word Components: bhīhrībhṛhumadajanadhanadaridrājāgarām pratyayāt pūrvam piti
Sūtra with anuvṛtti words: bhīhrībhṛhumadajanadhanadaridrājāgarām pratyayāt pūrvam piti udāttaḥ (6.1.159), lasārvadhātukam (6.1.186), abhyastānām (6.1.189)
Type of Rule: vidhi
Preceding adhikāra rule:6.1.136 (1aḍabhyāsavyavāye 'pi)

Description:

In ((bhī)), ((hrī)), ((bhṛ)), ((hu)), ((mad)), ((jan)), ((dhan)), ((daridrā)) and ((jāgṛ)), in their reduplicates, the acute accent is, before the sârvadhâtuka unaccented endings of the three persons in singular, (((pit))), on the syllable which precedes the affix. Source: Aṣṭādhyāyī 2.0

The syllable preceding (pūrva-m) [a sārvadhātuka affix replacing an l-member 186] with marker P as IT [bears the udātta accent 159 when introduced after 3.1.2 the reduplicated themes of] bhī- `fear' (III 2), hrī `be ashamed' (III 3), bhr̥- `bear' (III 5), hu- `offer an oblation' (III 1), mád- `rejoice' (I 853), jan- `be procreated' (III 24), dhan- `run' (III 23), daridrā `be in need' (II 64) and jāgr̥- `wake up' (II 63). Source: From Aṣṭādhyāyī of Pāṇini In Roman Transliteration translated by Sumitra M. Katre, Copyright © 1987. Courtesy of the University of Texas Press.