jujube (n.)youdaoicibaDictYouDict[jujube 词源字典]
late 14c., "date-like fruit from a tree found in Asia," from Medieval Latin jujuba (plural), from Late Latin zizyphum, from zizyphus, an Asiatic tree with datelike fruit, from Greek zizyphon, from Persian zayzafun. The meaning "soft candy with date-like flavor" first recorded 1835.[jujube etymology, jujube origin, 英语词源]