Cartouche
Overview
 
In Egyptian hieroglyphs, a cartouche is an ellipse with a horizontal line at one end, indicating that the text enclosed is a royal
Pharaoh
Pharaoh is a title used in many modern discussions of the ancient Egyptian rulers of all periods. The title originates in the term "pr-aa" which means "great house" and describes the royal palace...

 name, coming into use during the beginning of the Fourth Dynasty
Fourth dynasty of Egypt
The fourth dynasty of ancient Egypt is characterized as a "golden age" of the Old Kingdom. Dynasty IV lasted from ca. 2613 to 2494 BC...

 under Pharaoh Sneferu
Sneferu
Sneferu, also spelled as Snephru, Snefru or Snofru , was the founder of the Fourth dynasty of Egypt. Estimates of his reign vary, with for instance The Oxford History of Ancient Egypt suggesting a reign from around 2613 BC to 2589 BC, a reign of 24 years, while Rolf Krauss suggests a 30-year reign...

, replacing the earlier serekh
Serekh
In Egyptian hieroglyphs, a serekh is a rectangular enclosure representing the niched or gated façade of a palace surmounted by the Horus falcon, indicating that the text enclosed is a royal name...

. While the cartouche is usually vertical with a horizontal line, it is sometimes horizontal if it makes the name fit better, with a vertical line on the left. The Ancient Egyptian
Egyptian language
Egyptian is the oldest known indigenous language of Egypt and a branch of the Afroasiatic language family. Written records of the Egyptian language have been dated from about 3400 BC, making it one of the oldest recorded languages known. Egyptian was spoken until the late 17th century AD in the...

 word for it was shenu, and it was essentially an expanded shen ring
Shen ring
A shen ring is a circle with a line at a tangent to it, which was represented in hieroglyphs as a stylised loop of a rope. The word shen itself means, in ancient Egyptian, encircle, while the shen ring represented eternal protection...

.
 
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