It bears its Chaldean origin on its very forehead. When Tammuz died, she followed him into the underworld or realm of Eresh-Kigal, queen of the dead. In her deep grief Astarte persuaded Eresh-Kigal to allow her messenger to sprinkle Astarte and Tammuz with the water of life. By this sprinkling they had power to return in the light of the sun for six months. After which the same cycle must be repeated.
Easter is a joint worship of the two.
This was the pascha that Herod was waiting for before releasing Peter.