teetotum

teetotum
[tiːˈtəʊtəm]
noun

a small spinning top spun with the fingers, especially one with four sides lettered to determine whether the spinner has won or lost
手转陀螺（通常有四面，每面有字母以决定玩家输赢）

语源

early 18th cent. (as T totum): from T (representing totum, inscribed on the side of the toy) + Latin totum 'the whole' (stake). The letters on the sides (representing Latin words) were T (= totum), A (= auferre 'take away'), D (= deponere 'put down'), and N (= nihil 'nothing')