'Beneath' in the Bible

Then Jacob gave Esau bread and lentil stew; and he ate and drank, and got up and went on his way. In this way Esau scorned his birthright.

By the God of your father who will help you,And by the Almighty who blesses youWith blessings of the heavens above,Blessings lying in the deep that couches beneath,Blessings of the [nursing] breasts and of the [fertile] womb.