Where does “atomkärna” come from?

atomkärna (Swedish) comes from Swedish kärna, from Old Swedish kiærne, from Old Norse kjarni, from Proto-Germanic kernô, from Proto-Indo-European ǵr̥h₂nóm, from Proto-Indo-European ǵr̥h₂nós, from Proto-Indo-European ǵerh₂- — to grow old, to mature.

atomkärna (Swedish): atomic nucleus (nucleus of an atom)

Definitions

  1. atomic nucleus (nucleus of an atom)

Ancestry of “atomkärna”, step by step

atomkärna traces back through two separate lines of ancestry.

via Swedish kärna

StepLanguageWordMeaning
1Swedishkärnaa seed, a pip; a kernel, a nucleus, a core; a pit
2Old Swedishkiærne
3Old Norsekjarnikernel, core; core
4Proto-Germanickernôkernel, core
5Proto-Indo-Europeanǵr̥h₂nómgrain
6Proto-Indo-Europeanǵr̥h₂nósmatured, grown old
7Proto-Indo-Europeanǵerh₂-to grow old, to mature

via Swedish atom

StepLanguageWordMeaning
1Swedishatomatom; the smallest particle to retain the...
Every word from Proto-Indo-European ǵerh₂-Every word from Proto-Indo-European ǵr̥h₂nósEvery word from Proto-Indo-European ǵr̥h₂nóm
atomkärna — Etymology, Origin & Word History | Etymology Explorer