drupe (n.)youdaoicibaDictYouDict[drupe 词源字典]
1753, from Modern Latin drupa "stone-fruit," from Latin drupa (oliva) "wrinkled olive," from Greek dryppa, short for drypepes "tree-ripened," from drys "tree" + pepon "ripe" (see pumpkin).[drupe etymology, drupe origin, 英语词源]