One of the gods worshipped by the people of Sepharvaim, who colonized Samaria (2 Kings 17:31). The name means “Anu is king.” It was a female deity representing the moon, as Adrammelech (q.v.) was the male representing the sun.
2Kgs.17: And the Avites made Nibhaz and Tartak, and the Sepharvites burnt their children in fire to Adrammelech and Anammelech, the gods of Sepharvaim.