Veda 7.4.19: Krishna Yajur

From that flame rose a new fire. Its smoke carried two scents: the resin of the father-tree and the milk of the mother-tree. That smoke reached the gods, and the gods grew strong again.

The great seer (eldest of the fire-priests) approached Prajapati, the Lord of Creatures. krishna yajur veda 7.4.19

“Lord,” Atharvan said, “the altar fire dies each night. We lay one stick, then another, but they burn separately and do not kindle the full flame of life.” From that flame rose a new fire