the.com/hurdle
An obstacle short enough to clear, tall enough to humble the careless.
means A barrier you jump over, or any difficulty standing between you and a goal.
from From Old English hyrdel, a portable woven frame of branches once used to pen sheep and fence fields; racers later borrowed the word for the things they leap.
Sheep firstOriginally a movable wattle fence, not a track barrier.
Built to fallRace hurdles tip over to spare crashing runners.
Execution barrierOld hurdles dragged the condemned to the gallows.