1512, "one who steers a ship," from M.Fr. pillot, from It. piloto, O.It. pedoto, usually said to be from Medieval Gk. *pedotes "rudder, helmsman," from Gk. pedon "steering oar," related to pous (gen. podos) "foot" (see
foot). Change of -d- to -l- in L. parallels that in odor/olfactory.