shenu

The English word 'cartouche' comes from French cartouche (a paper roll, a cartridge, an ornamental tablet), from Italian cartoccio (a roll of paper), from carta (paper, card), from Latin charta (papyrus sheet), from Greek χάρτης (khártēs), ultimately from an Egyptian source related to the papyrus plant. The French cartouche was applied to the Egyptian royal name-oval by Napoleon's scholars during the Egyptian campaign of 1798–1801, because the elongated oval with a horizontal base-line resembled a military cartridge case. The Egyptian term for the device was 'shenu' (šnw), from the Egyptian root šni, meaning 'to encircle' — related to the verb that described the sun's circuit around the world. The shenu was thus the encircling ring — the loop of rope with no beginning and no end, tied at the base, drawn around the royal name to indicate that the pharaoh's dominion extended over everything the sun encircled, the totality of what the sun's daily circuit defined as the world.

The cartouche form developed from a simpler encircling device called the 'shen ring' — a circle of rope knotted at the base, used as an amulet of protection and as a symbol of eternity since at least the Old Kingdom. The shen ring (from the same šni root as shenu) was already a powerful protective symbol, held by falcon-headed deities like Horus and Nekhbet as tokens of their protective embrace of the king. The cartouche is an elongated shen ring, stretched to accommodate the hieroglyphs of the royal name within its protected circuit. The two names enclosed in a pharaoh's cartouches were the throne name (the name adopted at coronation, placed in the first cartouche) and the birth name (the personal name given at birth, placed in the second). Tutankhamun's two cartouches read 'Nebkheperure' (throne name: Lord of the Manifestations of Ra) and 'Tutankhamun' (birth name: Living Image of Amun).

The cartouche played a critical role in the decipherment of Egyptian hieroglyphics. Jean-François Champollion's breakthrough in 1822 relied fundamentally on the cartouche as a key: reasoning that royal names would be the same across different scripts on the Rosetta Stone, he identified the cartouche containing Ptolemy's name in the hieroglyphic text by comparison with the Greek version, and used the known phonetic values of Greek letters to decode the hieroglyphs inside it. By then comparing this with the cartouche of Cleopatra on the Philae obelisk (which shares letters P, O, L, and T with Ptolemy), Champollion was able to establish that hieroglyphics used an alphabet for foreign names, then extended this to native Egyptian names. The cartouche's structural role in the script — its function as a visual marker of royal names, which made royal names immediately identifiable across all scripts on bilingual inscriptions — was what made the Rosetta Stone decipherment possible.

The cartouche has had a rich post-decipherment life across several distinct fields. In Egyptology, 'cartouche' is the standard technical term for the royal name-oval, and catalogues of pharaonic royal names — the canonical king-lists and royal titularies — are organized by their cartouche contents, listed separately for prenomen (throne name) and nomen (birth name). In architecture and decorative arts, the cartouche motif — an ornamental tablet, scroll, or oval panel, often with rolled or curled edges suggesting a partially unfurled scroll — was imported from Egyptian decorative vocabulary into Renaissance European design and became a standard element of Baroque and Rococo ornament from the sixteenth century onward, used for inscriptions, heraldic displays, coats of arms, and decorative frames on furniture, buildings, and printed maps. Map cartouches — the elaborate decorative frames enclosing the title, scale, and legend information on early modern European maps — are perhaps the most widely encountered example of the decorative tradition. The word thus now has two distinct lives: the precise Egyptological term for the hieroglyphic royal name-ring, and the general decorative term for any ornamental oval or scroll panel.