1st_ Flexible packaging, usually made of fabric . From the Latin bass bursa, taken from Greek 946; 965; 961; 963; 945; ( bursa "skin odre" ) . 2o_ By the above, "content, set", literally or figuratively, so it can be gathered in a bag. 3rd_ Also by the above, a container of similar elements, which share a characteristic . 4th_ Popular Way to Name the Stock Exchange . The origin is a possible deformation (or translation) of the name of financier Van Der Bourse, who created in Bruges (France, fifteenth century) the equivalent of the current Stock Exchange.