Source : Webster's Revised Unabridged Dictionary (1913)

Progenerate \Pro*gen"er*ate\, v. t. [L. progeneratus, p. p. of
   progenerare to beget; pro forth, forward + generare to
   generate.]
   To beget; to generate; to produce; to procreate; as, to
   progenerate a race. [R.] --Landor.