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late 13c., from a Scandinavian source akin to Old Norse leggr "leg, bone of the arm or leg," from Proto-Germanic *lagjaz, with no certain ulterior connections, perhaps from a PIE root meaning "to bend" [Buck]. Cf. German Bein "leg," in Old High German "bone, leg." Replaced Old English shank. Of furniture supports from 1670s. The meaning "a part or stage of a journey or race" (1920) is from earlier sailing sense of "a run made on a single tack" (1867), which was usually qualified as long leg, short leg, etc. Slang phrase shake a leg "dance" is attested from 1881. To be on (one's) last legs "at the end of one's life" is from 1590s.
"to use the legs; walk or run," c.1500 (from the beginning usually with it); from leg (n.).
One of the two lower limbs of the human body, especially the part between the knee and the foot.
A supporting part resembling a leg in shape or function.
(also leg it) To go; travel: I was legging down the line (1601+)Related Terms