quiver (v.) Look up quiver at Dictionary.com
"to tremble," 1490, perhaps onomatopoeic, or possibly an alteration of quaveren (see quaver), or from O.E. cwifer-, perhaps related to cwic "alive" (see quick).
quiver (n.) Look up quiver at Dictionary.com
"case for holding arrows," 1322, from Anglo-Fr. quiveir, O.Fr. quivre, probably from P.Gmc. *kukur "container" (cf. O.H.G. kohhari, O.Fris. koker, O.E. cocur "quiver"); said to be from the language of the Huns.