Sama Veda II.6.2.15: Ten sisters, pouring out the rain together, the

1. Ten sisters, pouring out the rain together, the sage's quickly
moving thoughts, adorn him.
Hither hath run the gold-hued Child of Surya, and reached the vat like a fleet vigorous courser.

2. Even as a youngling shouting with his mothers, the bounteous Steer hath flowed along with waters.
As youth to damsel, so with milk he hastens on to the settled meeting-place, the beaker.

3. Yea, swollen is the udder of the milch-cow; thither in streams. comes very sapient Indu.
The kine make ready, as with new-washed treasures, the head and chief with milk within the vessels.