Where does “kerne” come from?

kerne (Middle High German) comes 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.

Ancestry of “kerne”, step by step

StepLanguageWordMeaning
1Old High Germankernocore; pith
2Proto-Germanickernôkernel, core
3Proto-Indo-Europeanǵr̥h₂nómgrain
4Proto-Indo-Europeanǵr̥h₂nósmatured, grown old
5Proto-Indo-Europeanǵerh₂-to grow old, to mature

Words derived from “kerne”

Every word from Proto-Indo-European ǵerh₂- →Every word from Proto-Indo-European ǵr̥h₂nós →Every word from Proto-Indo-European ǵr̥h₂nóm →