clapweed (English) comes from English clap, from Old French clapoir, from Old French clapier, from Old Occitan clapier, from Old Occitan clap, from Medieval Latin claperius.
clapweed (English): A shrubby plant of species Ephedra antisyphilitica
Definitions
A shrubby plant of species Ephedra antisyphilitica
Ancestry of “clapweed”, step by step
clapweed traces back through two separate lines of ancestry.