casino（n.）
1744年，最初的意思是“供音乐或跳舞的公共房间”，来自意大利语casino，字面意思是“小房子”，是casa“房子”的缩小词形，源于拉丁语casa，“小屋、茅屋、小舍”，其起源尚不确定。纸牌游戏（也作cassino）的名称证实于1792年。特指“贵族赌博的建筑”则始于1820年，最早见于意大利语背景。
[T]he term Casino [is] indiscriminately applied to a set of farm offices, a country-seat, a gambling house, and a game of cards ... [Jane Waldie Watts, "Sketches Descriptive of Italy in the Years 1816 and 1817," London 1820]
[T]he term Casino [is] indiscriminately applied to a set of farm offices, a country-seat, a gambling house, and a game of cards ... [Jane Waldie Watts, "Sketches Descriptive of Italy in the Years 1816 and 1817," London 1820]
该词起源时间：1744年