Also see definition of "Prologue" in Word Study
Prologue
PROLOGUE [isbe]
PROLOGUE - pro'-log, prol'-og (prologos, "foreword," "preface," "introduction"): The word occurs in the preface to Ecclesiasticus (Sirach), and is commonly applied to Jn 1:1-18.See ECCLESIASTICUS; JOHN, GOSPEL OF.
Also see definition of "Prologue" in Word Study
(NT only) to listen to the NET Bible 
