Deut 7:13

7:13 He will also bless the fruit of your womb. See 28:4, where a similar verse is included in a litany of blessings.

grain . . . wine . . . oil. The three staples of the ancient agricultural economy, here symbolic of prosperity (11:14; 14:23; 18:4); the “oil” is the olive oil used in cooking and lamps.