founder

inflammation of the laminated tissue that attaches the hoof to the foot of a horse

a person who founds or establishes some institution; "George Washington is the father of his country"

a worker who makes metal castings

fail utterly; collapse; "The project foundered"

sink below the surface

break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"

stumble and nearly fall; "the horses foundered"