Yā'má, n.

noun

n. [Skr. yama, a twin.] (Hindoo Myth.) The judge and ruler of the departed; the Hindu Pluto, or king of the infernal regions : originally conceived of as one of the first pair from whom the human race is descended, and the beneficent sovereign of his descendants in the abodes of the blest; later, a terrible deity, the tormentor of the wicked. He is represented of a green color, with red garments, having a crown on his head, his eyes inflamed, and sitting on a buffalo, with a club in one hand.

A crowned, four-armed figure rides a buffalo while holding objects in his hands.
Yama.