What does UTTU stand for? 

Uttu

Uttu is an ancient Sumerian goddess associated with weaving. The same cuneiform symbol used to write her name was also used to write the Sumerian word for "spider", indicating that Uttu was probably envisioned as a spider spinning a web. She appears primarily in the myth of Enki and Ninsikila, in which she resists the sexual advances of her father Enki by ensconcing herself inside her web, but he convinces her to let him in using a gift of fresh produce and the promise that he will marry her. Enki then intoxicates her with beer and rapes her. She is rescued by Enki's wife Ninhursag, who removes Enki's semen from her vagina and plants it in the ground, resulting in the growth of eight new plants, which Enki later eats.

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