dronkgrass

\\ˈdräŋk+ˌ-\ noun

Etymology: Afrikaans dronkgras, literally, intoxication grass, from dronk- intoxication (from dronken drunk, from Middle Dutch) + gras grass; akin to Old High German gras — more at drunk, grass

: a southern African grass (Melica decumbens) the eating of which causes cattle to become semidelirious