In Greek mythology, Hesiod described a large jar instead of a literal box for Pandora.
The ancient Greek word in Hesiod’s account is pithos, a large storage jar commonly used for agricultural products such as grain or oil. The story says that Pandora opened this vessel, allowing evils to escape into the world. The familiar English phrase “Pandora’s box” arose later through a translation choice and became much more popular than the original image.
A pithos was not necessarily a small household container. Large examples were substantial storage vessels, sometimes partly buried for stability and temperature control. That physical scale makes the traditional image different from the compact box shown in many modern illustrations.
The wording matters because it changes the visual setting without changing the myth’s central event. “Pandora’s box” remains the standard phrase in English, even though “Pandora’s jar” is closer to Hesiod’s text.