Every charter ever signed owes its name to a sheet of papyrus. Greek khartēs referred to the writing material itself — thin strips of the papyrus plant pressed and dried. Latin borrowed it as charta, extending the meaning from the material to anything written on it. The diminutive chartula ('small document') entered Old French as chartre, and by the 13th century English had adopted it for the most consequential documents in the kingdom. Magna Carta, signed in 1215, is simply 'the great document' — a name that shows how charter still meant something close to 'official paper' rather than its later abstract sense of 'grant of rights.' The word's family tree is sprawling: card, chart, carton, and even cartoon all trace back to the same Greek root. Charter developed a second life in the 15th century when merchants began using the word for contracts to hire ships, giving us the modern sense of a charter flight. From papyrus reeds on the Nile to a holiday jet, the word has travelled as far as the documents it once described.