The Collaborative International Dictionary of English v.0.48:

Ectype \Ec"type\, n. [Cf. F. ectype. See Ectypal.]
   1. (Classical Arch[ae]ol.)
      (a) A copy, as in pottery, of an artist's original work.
          Hence:
      (b) A work sculptured in relief, as a cameo, or in
          bas-relief (in this sense used loosely).
          [1913 Webster]

   2. A copy from an original; a type of something that has
      previously existed.
      [1913 Webster]

            Some regarded him [Klopstock] as an ectype of the
            ancient prophets.                     --Eng. Cyc. .
      [1913 Webster]