c.1320, "a crutch," from P.Gmc. *steltijon (cf. M.L.G., M.Du. stelte "stilt," O.H.G. stelza "plow handle, crutch"), from PIE *stel- "to put, stand, place, cause to stand" (see
stall (1)). Application to "wooden poles for walking across marshy ground, etc." is from c.1440.