LateranyoudaoicibaDictYouDict[Lateran 词源字典]
c. 1300, popular name of cathedral church of St. John Lateran at Rome, which is built on the site of the palace of the Plautii Laterani, a Roman family. As a papal headquarters, it was the site of five general councils of the Western Church.[Lateran etymology, Lateran origin, 英语词源]