In Hesiod’s version of Pandora’s myth, a jar held the escaping evils. The Greek word pithos refers to a large earthenware storage jar, commonly used in antiquity for grain, wine, oil, or other goods.
Hesiod’s Works and Days does not describe a small hinged box. It says that Pandora opened a pithos, allowing troubles and diseases to spread among humans. The familiar phrase “Pandora’s box” developed later through translation history, especially when the Greek vessel was rendered using the Latin word pyxis, meaning a box or small container.
The jar detail matters because it shows how a famous expression can differ from its earliest source. Artists and modern retellings usually depict a decorated box, so “jar” may seem unexpected. Both the myth and the modern idiom concern the release of hidden problems, but the ancient text’s container was a substantial storage vessel.