Where does “kornsúra” come from?

kornsúra (Icelandic) comes from Icelandic korn, from Old Norse korn, from Proto-Germanic kurną, from Proto-Indo-European ǵr̥h₂nóm, from Proto-Indo-European ǵr̥h₂nós, from Proto-Indo-European ǵerh₂- — to grow old, to mature.

kornsúra (Icelandic): alpine bistort (Bistorta vivipara)

Definitions

  1. alpine bistort (Bistorta vivipara)

Ancestry of “kornsúra”, step by step

kornsúra traces back through two separate lines of ancestry.

via Icelandic korn

StepLanguageWordMeaning
1Icelandickorncorn; grain
2Old Norsekorncorn; grain
3Proto-Germanickurnącorn, grain, cereal
4Proto-Indo-Europeanǵr̥h₂nómgrain
5Proto-Indo-Europeanǵr̥h₂nósmatured, grown old
6Proto-Indo-Europeanǵerh₂-to grow old, to mature

via Icelandic súra

StepLanguageWordMeaning
1Icelandicsúrasorrel, rumex
Every word from Proto-Indo-European ǵerh₂-Every word from Proto-Indo-European ǵr̥h₂nósEvery word from Proto-Indo-European ǵr̥h₂nóm