Yāska's Nirukta 95.1.3

95.1.3

“tasyāḥ” evaṅguṇaviśiṣṭāyā urvaśyā apsarasaḥ “darśanāt” “mitrāvaruṇayoḥ retaḥ” “caskanda” skannam | “tat” tasyārthasya “abhivādinī” “eṣā ṛg bhavati”-|| “utāsi maitrāvaruṇaḥ”-iti | vasiṣṭhasya saputrasyeyamārṣam | tasyaiva stutirindrasya vā | “uta”-ityayam apiśabdārthe varttamāno'dhastyāyāmṛci ye janmanī vasiṣṭhasyokte, te sambhāvayati | sā punariyamṛk,“vidyuto jyotiḥ pari sañjihānaṃ mitrāvaruṇā yadapaśyatāṃ tvā | tatt janmautaikaṃ vasiṣṭhāgastyo yantvā viśa ājabhāra || ( ṛ0 saṃ 5, 3, 23, 5 )”-iti || 'vidyutaḥ' viśeṣeṇa, dyotate dedīpyate iti vidyut-urvaśī-iti, asmāt | 'jyotiḥ' prakāśaḥ | tasmāt 'pari' parito'dhikaṃ 'sañjihānam' uttiṣṭhantam, jāyamānamityarthaḥ | 'mitrāvaruṇau' devau 'yat' 'apaśyatāṃ' 'tvā' tvām 'tat' 'te' tava 'janma' 'ekam'