Kaushitakagrihyasutra 1.14.10

1.14.10

udapātre akṣatānavanīya viṣṇuryoniṃ kalpayatu nejameṣa parāpata iti ṣaḷṛcena pāyayet rākāmahamiti catasṛbhiḥ \10\

Having thrown unhusked grain into a water pot, he causes her to drink with the six-verse hymn, ‘May Viṣṇu prepare the womb’ (viṣṇur yoniṃ kalpayatu), ‘Nejameṣa, fly away’ (nejameṣa parāpata), and with the four [verses beginning] ‘Rākā I [invoke]’ (rākām aham).