Grammatical Sūtra: अधःशिरसी पदे adhaḥśirasī pade
Individual Word Components: adhaḥśirasī (ṣaṣṭhyarthe prathamā'tra) pade
Sūtra with anuvṛtti words: adhaḥśirasī (ṣaṣṭhyarthe prathamā'tra) pade padasya (8.1.16), pūrvatra (8.2.1), asiddham (8.2.1), saṁhitāyām (8.2.108), visarjanīyasya (8.3.34), kupvoḥ (8.3.37), saḥ (8.3.38), ṣaḥ (8.3.39), samāse (8.3.45), anuttarapadasthasya (8.3.45)
Type of Rule: vidhi
Preceding adhikāra rule:8.3.4 (1anunāsikāt paro 'nusvāraḥ)

Description:

For the visarga of ((adhas)) or ((śiras)) when not preceded by another word, and followed by the word ((pada)) in composition with it, there is substituted ((s))|| Source: Aṣṭādhyāyī 2.0

[The substitute phoneme dental s 38 replaces the padá 1.16 final 1.1.52 ḥ of the padá-s 1.16] adhás `below' and śíras- `head [in composition with 45 the nominal stem 4.1.1] padá- `place' [provided it is not itself a posterior member 45, in continuous utterance 2.108]. Source: From Aṣṭādhyāyī of Pāṇini In Roman Transliteration translated by Sumitra M. Katre, Copyright © 1987. Courtesy of the University of Texas Press.

Source:Srisa Chandra Vasu's Aṣṭādhyāyī of Pāṇini

Anuvṛtti: 8.3.34, 8.3.37, 8.3.38, 8.3.39, 8.3.45

Kāśikāvṛttī¹: adhas śirasityetayoḥ visarjanīyasya samāse anuttarapadasthasya sakāraḥ ādeśo bha   See More

Kāśikāvṛttī²: adhaḥśirasī pade 8.3.47 adhas śirasityetayoḥ visarjanīyasya samāse anuttarapada   See More

Nyāsa²: adhaḥśirasī pade. , 8.3.47 "athaḥśiraso" iti. subvyatyayena ṣaṣṭhyāḥ s   See More

1.Source: Arsha Vidya Gurukulam
2.Source: Sanskrit Documents