Labouchère
noun
La·bou·chère
ˌlabüˈsher
plural -s
: a system of betting on roulette, faro, and other games whereby the bettor takes a column of consecutive numbers consistent with the amount he is willing to risk and bets the sum of the top and bottom numbers, canceling the numbers involved in any bet won and adding to the series the amount of each bet lost
Word History
Etymology
probably after Henry du Pré Labouchère †1912 English journalist and political leader