fan-tan
/ˈfæntæn/noun
mass noun
1
- a Chinese gambling game in which players try to guess the remainder after the banker has divided a number of hidden objects into four groups番摊（中国的一种赌博游戏, 庄家把一些隐藏起来的东西分成四组后由参赌者猜测剩余物）。
2
- a card game in which players build on sequences of sevens接龙（一种扑克牌戏, 参与者以7为中心, 向两头按数序接牌）。
词源
late 19th cent.: from Chinese fān tān, literally 'repeated divisions'.