In Pandora’s Box mythology, the original Greek name for the large storage jar is pithos. Hesiod uses the Greek word pithos rather than a word meaning a small box.
A pithos was a substantial ceramic container used in the ancient Mediterranean for storing commodities such as grain, oil, or wine. These vessels could be large enough to stand on the floor or be partly buried, making the image very different from the compact hinged box common in modern illustrations.
The word “box” became established through later Latin and European interpretations. The change was probably influenced by the Latin word pyxis, which means a box or container. Once that wording entered translations and retellings, “Pandora’s box” became the familiar expression in English.
This translation history matters because the container is central to the myth’s imagery. The ancient version presents Pandora opening a storage jar, while modern art and language usually show a decorated box. Both refer to the same mythological episode.