terrapin (n.)youdaoicibaDictYouDict[terrapin 词源字典]
North American turtle, 1670s, earlier torope (1610s), from an Algonquian source (such as Abenaki turepe, Munsee (Delaware) tolpew "turtle"). Subsequently extended to allied species in South America, East Indies, China, North Africa.[terrapin etymology, terrapin origin, 英语词源]