Urmonotheismus is a term that refers to the belief in a single, original deity or god in ancient religions. It can be translated as "original monotheism" or "primeval monotheism." This concept has also been expressed through various synonyms such as "archaic monotheism," "proto-monotheism," and "primal monotheism." In some cases, it is also associated with the idea of "monolatry" or the worship of a single god without denying the existence of other deities. Other possible synonyms for urmonotheismus include "henotheism," "monarchianism," and "unitarianism," all emphasizing the idea of the essential unity and indivisibility of the divine being.