Grammatical Sūtra: लुक् स्त्रियाम् luk striyām 
Individual Word Components: luk striyām
Sūtra with anuvṛtti words: luk striyām 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), aṇ (4.1.83), strīpuṁsābhyām (4.1.87), nañsnañau (4.1.87), bhavanāt (4.1.87), tasya (4.1.92), gotre (4.1.98), yañ (4.1.105), āṅgirase (4.1.107), vataṇḍāt (4.1.108)
Type of Rule: vidhi
Preceding adhikāra rule:4.1.83 (1prāg dīvyato 'ṇ)
Description:
The affix '((yañ))' is luk-elided in the feminine after the word '((vataṇ a))' when meaning a female descendant of Angirasa. Source: Aṣṭādhyāyī 2.0
luK (0̸¹) replaces [the taddhitá 76 affix 3.1.1 yaÑ 105 introduced after 3.1.2 the nominal stem 1 vataṇḍa- 108 ending in 1.1.72 the sixth sUP triplet 92 to denote] a female (striy-ām) [gotrá descendant 98 representing the Āṅgirasá clan 107]. Source: From Aṣṭādhyāyī of Pāṇini In Roman Transliteration translated by Sumitra M. Katre, Copyright © 1987. Courtesy of the University of Texas Press.