Venetian (n.)youdaoicibaDictYouDict[Venetian 词源字典]
early 15c., "native or resident of Venice," from Medieval Latin Venetianus, from Venetia (see Venice). Also probably in part from Old French Venicien. As a kind of dress cloth, from 1710. As an adjective from 1550s. Venetian blinds so called by 1791.[Venetian etymology, Venetian origin, 英语词源]