kit (1) Look up kit at Dictionary.com
"round wooden tub," 1275, probably from M.Du. kitte "jug, tankard, wooden container," of unknown origin. Meaning "collection of personal effects," especially for traveling (originally in ref. to a soldier), is from 1785; that of "outfit of tools for a workman" is from 1851. Kit and caboodle is 1861, from boodle "lot, collection," perhaps from Du. boedel "property."
kit (2) Look up kit at Dictionary.com
"small fiddle used by dancing teachers," 1519, probably a shortening of O.E. cythere, from L. cithara, from Gk. kithara (see guitar).