Where does “cogongrass” come from?

cogongrass (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.

cogongrass (English): Alternative spelling of cogon grass; cogon

Definitions

  1. Alternative spelling of cogon grass; cogon

Ancestry of “cogongrass”, step by step

cogongrass 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 cogon

StepLanguageWordMeaning
1EnglishcogonAny of several perennial rhizomatous grasses of...
2Spanishcogóncogon grass; kunai grass, Imperata cylindrica
3Tagalogkugoncogon grass, especially of the "Imperata...
4Proto-Philippine*guʀun
5Proto-Malayo-Polynesian*guʀun
Every word from Proto-Indo-European ǵʰreh₁-Every word from Proto-Germanic grasąEvery word from Proto-West Germanic gras