Where does “kjernefysisk” come from?

kjernefysisk (Norwegian Nynorsk) comes from Norwegian Nynorsk kjerne, 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.

kjernefysisk (Norwegian Nynorsk): nuclear, relating to nuclear physics

Definitions

  1. nuclear, relating to nuclear physics

Ancestry of “kjernefysisk”, step by step

kjernefysisk traces back through two separate lines of ancestry.

via Norwegian Nynorsk kjerne

StepLanguageWordMeaning
1Norwegian Nynorskkjernecore, nucleus; essence
2Old Norsekjarnikernel, core; core
3Proto-Germanickernôkernel, core
4Proto-Indo-Europeanǵr̥h₂nómgrain
5Proto-Indo-Europeanǵr̥h₂nósmatured, grown old
6Proto-Indo-Europeanǵerh₂-to grow old, to mature

via Norwegian Nynorsk fysisk

StepLanguageWordMeaning
1Norwegian Nynorskfysiskphysical
Every word from Proto-Indo-European ǵerh₂-Every word from Proto-Indo-European ǵr̥h₂nósEvery word from Proto-Indo-European ǵr̥h₂nóm