Pāṇini 2.2.17

Grammatical Sūtra: नित्यं क्रीडाजीविकयोः nityaṃ krīḍājīvikayoḥ Chantings of the aṣṭādhyāyī kindly with permision Sai Susarla.
Individual Word Components: nityam krīḍājīvikayoḥ
Sūtra with anuvṛtti words: nityam krīḍājīvikayoḥ ekā (1.4.1), saṃjñā (1.4.1), sup (2.1.2), samāsaḥ (2.1.3), saha (2.1.4), supā (2.1.4), vibhāṣā (2.1.11), tatpuruṣaḥ (2.1.22), ṣaṣṭhī (2.2.8)
Type of Rule: vidhi
Preceding adhikāra rule:2.1.22 (1tatpuruṣaḥ)

Description:

A word ending with a sixth case-affix is invariably compounded with a word ending with aka, when these affixes denote a sport or a livelihood; and the compound is Tat-purusha. Source: Aṣṭādhyāyī 2.0

[A nominal padá 1.2 ending in 1.1.72 the sixth sUP tripet 8] necessarily (nítyam) [combines with 1.4 a syntactically connected 1.1 nominal padá 1.4 ending in 1.1.72 the affixes °-tŕC or °-aka 15 to form a tatpuruṣá 1.22 compound 1.3] when denoting a sport (krīḍā) or livelihood (jīvikā). Source: From Aṣṭādhyāyī of Pāṇini In Roman Transliteration translated by Sumitra M. Katre, Copyright © 1987. Courtesy of the University of Texas Press.

A pada which ends in the genitive (ṣaṣṭhī), obligatorily, combines in a tatpuruṣa compound with a syntactically related pada which ends in a sUP and contains aka, provided krīḍā ‘sport’ and jīvikā are denoted Source: Courtesy of Dr. Rama Nath Sharma ©

Source:Srisa Chandra Vasu's Aṣṭādhyāyī of Pāṇini

Anuvṛtti: 2.2.8, 2.2.15

Mahābhāṣya: With kind permission: Dr. George Cardona

1/4:kim iha nityagrahaṇena abhisambadhyate vidhiḥ āhosvit pratiṣedhaḥ |
2/4:vidhiḥ iti āha |
3/4:kutaḥ etat |
4/4:vidhiḥ hi vibhāṣā nityaḥ pratiṣedhaḥ |
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