source

source (http://definr.com/source)

     n 1: the place where something begins, where it springs into
          being; "the Italian beginning of the Renaissance";
          "Jupiter was the origin of the radiation"; "Pittsburgh
          is the source of the Ohio River"; "communism's Russian
          root" [syn: beginning, origin, root, rootage]
     2: a person who supplies information [syn: informant]
     3: a publication (or a passage from a publication) that is
        referred to; "he carried an armful of references back to
        his desk"; "he spent hours looking for the source of that
        quotation" [syn: reference]
     4: a document (or organization) from which information is
        obtained; "the reporter had two sources for the story"
     5: a facility where something is available
     6: anything that provides inspiration for later work [syn: seed,
         germ]
     7: someone who originates or causes or initiates something; "he
        was the generator of several complaints" [syn: generator,
         author]