SB 9.19.23
bhu-mandalasya sarvasya
purum arhattamam visam
abhisicyagrajams tasya
vase sthapya vanam yayau
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Yayati enthroned his youngest son, Puru, as the emperor of the entire world and the proprietor of all its riches, and he placed all the other sons, who were older than Puru, under Puru’s control.