pro�le�gom�e�non n. pl. pro�le�gom�e�na (-n)
A preliminary discussion, especially a formal essay introducing a work of considerable length or complexity.
prolegomena (used with a sing. or pl. verb) Prefatory remarks or observations.
[Greek, from neuter present passive participle of prolegein, to say beforehand : pro-, before; see pro-2 + legein, to speak; see leg- in Indo-European Roots.]
c.f. prole�gome�nous adj.
Source: The American Heritage� Dictionary of the English Language, Fourth Ed.
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