Varahashrautasutra 3.2.2.17

3.2.2.17

havirdhāne mānasaṃ grahaṃ gṛhṇāti--pṛthivyā pātreṇa samudram̐ rasāmanupayāmagṛhīto'si prajāpataye tvā juṣṭaṃ gṛhṇāmīti

In the cart-shed he draws the mental cup: "With the vessel of the earth, I draw the ocean, the sap; thou art drawn with a support; for Prajāpati I take thee, [the cup] well-pleasing!"