Kreuzbube (German) comes from German Kreuz, from Spanish Cruz, from Portuguese cruz, from Italian croce, from Latin crux, from Proto-Italic *kruks, from Proto-Indo-European sḱer- — to caw, crow.
Kreuzbube (German): jack of clubs, knave of clubs playing card
Definitions
jack of clubs, knave of clubs playing card
Ancestry of “Kreuzbube”, step by step
Kreuzbube traces back through two separate lines of ancestry.