Where does “Kernreaktorunfall” come from?

Kernreaktorunfall (German) comes from German Kernreaktor, 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.

Kernreaktorunfall (German): nuclear reactor accident

Definitions

  1. nuclear reactor accident

Ancestry of “Kernreaktorunfall”, step by step

Kernreaktorunfall traces back through two separate lines of ancestry.

via German Kernreaktor

StepLanguageWordMeaning
1GermanKernreaktornuclear reactor
2Germankernkernel
3Middle High Germankerne
4Old High Germankernocore; pith
5Proto-Germanickernôkernel, core
6Proto-Indo-Europeanǵr̥h₂nómgrain
7Proto-Indo-Europeanǵr̥h₂nósmatured, grown old
8Proto-Indo-Europeanǵerh₂-to grow old, to mature

via German Unfall

StepLanguageWordMeaning
1GermanUnfallaccident
2Middle High Germanunval
Every word from Proto-Indo-European ǵerh₂-Every word from Proto-Indo-European ǵr̥h₂nósEvery word from Proto-Indo-European ǵr̥h₂nóm