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The Collaborative International Dictionary
Progenerate

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.

Wiktionary
progenerate

vb. (context transitive English) To beget; to generate; to produce.