Where does “burgrass” come from?

burgrass (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.

burgrass (English): A grass of the genus "Cenchrus", growing in sand...

Definitions

  1. A grass of the genus "Cenchrus", growing in sand...

Ancestry of “burgrass”, step by step

burgrass 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 bur

StepLanguageWordMeaning
1EnglishburA rough, prickly husk around the seeds or fruit...
2Middle Englishburre
3Old Englishbyrstbristle; loss, defect, failure; injury
4Proto-Germanicbrestuzbreak; fracture; impairment; handicap
5Proto-Indo-Europeanbʰres‑to burst; break; crack; crackle
Every word from Proto-Indo-European ǵʰreh₁-