The story
Alteration of quickgrass, a variant of quitchgrass.
First known use, by meaning
- from 19th c. Couch grass (a species of grass, Elymus repens).
Etymology from Wiktionary, CC BY-SA 4.0.
quackgrass
Today it means: Couch grass (a species of grass, Elymus repens). Full definition →
First used 19th c.