Nammu was a Mesopotamian goddess regarded as a creator deity in the local theology of Eridu. It is assumed that she was associated with water. She is also well attested in connection with incantations
Lugal kisalsi inscription
Apotropaic magic or protective magic is a type of magic intended to turn away harm or evil influences, as in deflecting misfortune or averting the evil eye. Apotropaic observances may also be practice
Nammu
…deity in the local theology of Eridu. It is assumed that she was associated with water. She is also well attested in connection with incantations and apotropaic magic. She was regarded as the mother of Enki, and in a single inscription she appears as the wife of Anu, but it is assumed that she usually was not believed…
Medieval apotropaic marking on the inside of a church in Suffolk, England
The Gorgon, flanked by lionesses and showing her belt clasp of serpents; the pediment of the 580 BCE temple of Artemis in Corfu. Archaeological Museum of Corfu.
Jewish apotropaic neckband sewn with coins to deflect the evil eye. 1944, Basel, in the Jewish Museum of Switzerland's collection.
An ancient Egyptian apotropaic wand shows a procession of protective deities. It was used in birth rituals, perhaps to draw a magic circle around the mother and child.