Late 16th century; earliest use found in Peter Levens (fl. 1552–1587), lexicographer. From prologue + -er. In later use probably partly also from prologue + -er. Compare Middle French prologueur.
Definition of prologuer in US English:
prologuer
nounˈprəʊlɒɡə
rare
= prologuist.
Origin
Late 16th century; earliest use found in Peter Levens (fl. 1552–1587), lexicographer. From prologue + -er. In later use probably partly also from prologue + -er. Compare Middle French prologueur.