pangolin (n.)youdaoicibaDictYouDict[pangolin 词源字典]
1774, "scaly toothless mammal of Java," from Malay peng-goling "roller," from its habit of curling into a ball; from peng- (denominative prefix) + goling "to roll." Later extended to related species in Asia and Africa.[pangolin etymology, pangolin origin, 英语词源]