Where does “nutgrass” come from?

nutgrass (English) comes from English grass, from Middle English gras, from Old English græs, from Proto-West Germanic gras, from Proto-Germanic grasą, from Proto-Indo-European ǵʰreh₁- — to become green, grow; to grow; to green, to grow.

nutgrass (English): Any perennial sedge of species "Cyperus...

Definitions

  1. Any perennial sedge of species "Cyperus...

Ancestry of “nutgrass”, step by step

nutgrass traces back through two separate lines of ancestry.

via English grass

StepLanguageWordMeaning
1EnglishgrassAny plant of the family Poaceae, characterized by...
2Middle EnglishgrasA grass; Any plant; especially a herbaceous one;...
3Old Englishgræsgrass
4Proto-West Germanicgrasgrass
5Proto-Germanicgrasągrass
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow

via English Nut

StepLanguageWordMeaning
1EnglishNutThe goddess who serves as the personification of the sky
2Middle Englishnotenote; Alternative form of not
3Old Englishnotuuse; enjoyment; profit, advantage, utility
4Proto-Germanicnutōuse, profit, yield
5Proto-Indo-Europeannewd-to seize; grasp; use; to grasp, seize, use; to...
Every word from Proto-Indo-European ǵʰreh₁-