Grammatical Sūtra: द्वित्रिपूर्वान्निष्कात् dvitripūrvānniṣkāt 
Individual Word Components: dvitripūrvāt niṣkāt
Sūtra with anuvṛtti words: dvitripūrvāt niṣkāt pratyayaḥ (3.1.1), paraḥ (3.1.2), ca (3.1.2), ādyudāttaḥ (3.1.3), ca (3.1.3), ṅyāpprātipadikāt (4.1.1), taddhitāḥ (4.1.76), samarthānām (4.1.82), prathamāt (4.1.82), vā (4.1.82), strīpuṁsābhyām (4.1.87), nañsnañau (4.1.87), bhavanāt (4.1.87), chaḥ (5.1.1), ṭhañ (5.1.18), ṭhak (5.1.19), adhyardhapūrvadvigoḥ (5.1.28), luk (5.1.28), vibhāṣā (5.1.29)
Type of Rule: vidhi
Preceding adhikāra rule:5.1.19 (1ārhād agopucchasaṅkhyāparimāṇāṭ ṭhak)
Description:
The Ârhûya-affix (5.1.63) is optionally elided after a Dvigu occasioning compound, of the word nishka, preceded by dvi and tri. Source: Aṣṭādhyāyī 2.0
[luK (0̸¹) optionally 29 replaces the taddhitá 4.1.76 affix 3.1.1 introduced after 3.1.2 the nominal stem 4.1.1] niṣká- `n. of a coin' co-occurring with dví-° or trí-° as a preceding member (°-pūrv-āt in composition) in a Dvigú compound 28 to denote the meanings listed in 19-63 of this section. Source: From Aṣṭādhyāyī of Pāṇini In Roman Transliteration translated by Sumitra M. Katre, Copyright © 1987. Courtesy of the University of Texas Press.
Mahābhāṣya: With kind permission: Dr. George Cardona
1/11:dvitribhyām dvaiyogyam |*
2/11:dvitribhyām iti yat ucyate dvaiyogyam etat draṣṭavyam |
3/11:kim idam dvaiyogyam iti |
4/11:dvayoḥ yogayoḥ bhavam dviyogam |
5/11:dviyogasya bhāvaḥ dvaiyogyam iti |
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1/11:dvitribhyām dvaiyogyam |*
2/11:dvitribhyām iti yat ucyate dvaiyogyam etat draṣṭavyam |
3/11:kim idam dvaiyogyam iti |
4/11:dvayoḥ yogayoḥ bhavam dviyogam |
5/11:dviyogasya bhāvaḥ dvaiyogyam iti |
6/11:dveṣyam vijānīyāt : aviśeṣeṇa itaḥ uttaram dvitribhyām iti |
7/11:tat ācāryaḥ suhṛt bhūtvā anvācaṣṭe : dvitribhyām dvaiyogyam iti |
8/11:tatra ca bahugrahaṇam |*
9/11:tatra ca bahugrahaṇam kartavyam |
10/11:bahuniṣkam bahunaiṣkikam |
11/11:bahubistam bahubaistikam |
Kielhorn/Abhyankar (II,349.12-18) Rohatak (IV,37-38)*Kātyāyana's Vārttikas