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. Meaning "one of the posts on which a building is raised from the ground" is first attested 1697. Stilted
in the fig. sense of "pompous, stuffy" is first recorded 1820.