Kernmasse (German) comes from German kern, from Middle High German kerne, from Old High German kerno, from Proto-Germanic kernô, from Proto-Indo-European ǵr̥h₂nóm, from Proto-Indo-European ǵr̥h₂nós, from Proto-Indo-European ǵerh₂- — to grow old, to mature.
Kernmasse (German): nuclear mass
Definitions
nuclear mass
Ancestry of “Kernmasse”, step by step
Kernmasse traces back through two separate lines of ancestry.