O.E. streccan, from P.Gmc. *strakjanan (cf. Dan. strękke, Swed. sträcka, O.Fris. strekka, O.H.G. strecchan, M.L.G., M.Du., O.H.G., Ger. strecken "to stretch"), perhaps a variant of the root of stark, or else from PIE base *strenk- "tight, narrow; pull tight, twist" (see strain). Meaning "to extend (the limbs or wings)" is from c.1200; that of "to lay out for burial" is from early 13c. To stretch one's legs "take a walk" is from c.1600. Meaning "to lengthen by force" first recorded late 14c.; figurative sense of "to enlarge beyond proper limits, exaggerate," is from 1553. Stretch limo first attested 1973. Stretch marks is attested from 1960. Stretcher "canvas frame for carrying the sick or wounded" is first attested 1845.
1540s, "act of stretching," from stretch (v.); meaning "unbroken continuance of some activity" is first recorded 1680s; meaning "straightaway of a race course" (e.g. home stretch) is recorded from 1841.