Kaushitakagrihyasutra 1.16.18

1.16.18

vāgdevī manasā saṃvidānā prāṇena vatsena sahandraproktā juṣatāṃ tvā saumanasāya devīṃ mahīmindrāvāṇī cīssalilā svayaṃbhūḥ iti cānumantrayīta \8\

And he should accompany it with: ‘May the goddess of speech, in harmony with mind, together with her calf, the breath, proclaimed by Indra, accept you for benevolence—the divine, great speech of Indra, flowing, self-existent!’