Betonklotz (German) comes from German Klotz, from Middle High German kloz, from Old High German kloz, from Proto-West Germanic klott, from Proto-Indo-European gel- — to be cold, to freeze.
Betonklotz (German): concrete block
Definitions
concrete block
Ancestry of “Betonklotz”, step by step
Betonklotz traces back through two separate lines of ancestry.