landau (n.)youdaoicibaDictYouDict[landau 词源字典]
type of four-wheeled carriage, 1743, from Landau, town in Bavaria where they first were made. The first element is the common Germanic element found in English land (n.); the identity of the second is disputed. But Klein says the vehicle name is "in reality" Spanish lando "originally a light four-wheeled carriage drawn by mules," from Arabic al-andul.[landau etymology, landau origin, 英语词源]