The word "Aten" is a noun that refers to the sun, specifically the solar disc. In ancient Egyptian history, Aten was worshipped as a god during the reign of Pharaoh Akhenaten, who promoted a form of monotheism, meaning the belief in only one god.
In simple terms, Aten is a name for the sun, and it was considered a very important deity (or god) in ancient Egypt. Akhenaten was a pharaoh (a king) who believed that Aten was the only god and tried to change how people worshipped.
In more advanced discussions, you might encounter terms like "Atenism," which refers to the monotheistic religion that worshipped Aten during Akhenaten's rule.
While "Aten" specifically refers to the sun god in ancient Egypt, the word does not have other meanings in modern English.
There are no common idioms or phrasal verbs directly associated with "Aten," as it is a specific historical reference.