Erasmus popularized the Latin phrase associated with “Pandora’s box” in 1508.
The Dutch humanist Desiderius Erasmus included the expression pyxis Pandorae, meaning “Pandora’s box,” in Adagia, his influential collection of Greek and Latin proverbs. This helped establish the box image in learned European writing, even though Hesiod’s original Greek story describes a pithos, or large jar.
The change reflects a translation and transmission history rather than a simple ancient fact. Earlier writers had already used container terms connected with a box, and Latin readers encountered the myth through versions that did not always preserve the Greek vessel exactly. Erasmus’s widely circulated work helped the box wording become familiar.
The modern idiom now means an action or discovery that releases many unforeseen problems. It is often used in journalism, politics, science, and everyday speech. Remembering Erasmus explains why the English expression differs from the container named in Hesiod’s earliest surviving account.