Where does “kjarnavopn” come from?

kjarnavopn (Icelandic) comes from German Kernwaffe, 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.

kjarnavopn (Icelandic): nuclear weapon

Definitions

  1. nuclear weapon

Ancestry of “kjarnavopn”, step by step

StepLanguageWordMeaning
1GermanKernwaffenuclear weapon
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
Every word from Proto-Indo-European ǵerh₂- →Every word from Proto-Indo-European ǵr̥h₂nós →Every word from Proto-Indo-European ǵr̥h₂nóm →