Doppelspiel (German) comes from German Doppel, from Middle Dutch dubbel, from French doublé, from Middle French double, from Old French doble, from Latin dūplus, from Proto-Italic *duplos — double.
Doppelspiel (German): double-cross
Definitions
double-cross
Ancestry of “Doppelspiel”, step by step
Doppelspiel traces back through two separate lines of ancestry.