Kaushitakagrihyasutra 3.15.2

3.15.2

tāsāṃ prathamāyāṃ śākaṃ juhoti iyameva sā yā prathamā vyaucchadantarasyāṃ carati praviṣṭā vadhūrjajāna navakaṃ janitrī traya enāṃ mahimānaḥ sacantāṃ svāhā iti \2\

At the first of them, he offers vegetables, with: 'This is that very one who shone forth first; entering, she moves within this [world]. Having become a mother, the bride has given birth to the new one; let three mighty ones attend her, svāhā!'