Word Origin & History
c.1300, "implement for throwing stones," from an unidentified continental source, e.g. M.L.G. slinge "sling," from P.Gmc. *slenganan (cf. O.H.G. slingan, Ger. schlingen "to swing to and fro, wind, twist;" O.E. slingan "to creep, twist;" O.Fris. slinge, O.H.G. slinga, Ger. Schlinge "sling;" M.Swed. slonga
"noose, knot, snare"). The notion probably is of a sling being twisted and twirled before it is thrown. Sense of "loop for lifting or carrying heavy objects" first recorded 1323. Meaning "piece of cloth tied around the neck to support an injured arm" is first attested 1720.
early 13c., "to knock down," later "to throw," originally "to throw with a sling" (early 14c.), from O.N. slyngva, from the root of sling
(n.1). Slingshot is attested from 1849; the piece of stone or metal hurled from it is a slung-shot (1848).
"sweet flavored liquor drink," 1807, Amer.Eng., of unknown origin; perhaps lit. "to throw back" a drink, or from Ger. schlingen "to swallow."