Where does “tófugras” come from?

tófugras (Icelandic) comes from Icelandic grás, from Old Norse gras, from Proto-Germanic grasą, from Proto-Indo-European ǵʰreh₁- — to become green, grow; to grow; to green, to grow.

tófugras (Icelandic): brittle bladder-fern (Cystopteris fragilis)

Definitions

  1. brittle bladder-fern (Cystopteris fragilis)

Ancestry of “tófugras”, step by step

tófugras traces back through two separate lines of ancestry.

via Icelandic grás

StepLanguageWordMeaning
1Icelandicgrásmasculine genitive singular positive degree of...
2Old Norsegrasgrass, herbage; a herb, usually with special...
3Proto-Germanicgrasągrass
4Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow

via Icelandic tófa

StepLanguageWordMeaning
1Icelandictófafox, vixen
Every word from Proto-Indo-European ǵʰreh₁-Every word from Proto-Germanic grasąEvery word from Old Norse gras
tófugras — Etymology, Origin & Word History | Etymology Explorer