序じょ言げん

noun, noun which may take the genitive case particle 'no'

foreword; preface; introduction

A formal introductory statement at the beginning of a book or document, similar to 序文 (じょぶん) but somewhat less common.

• 著ちょ者しゃは序じょ言げんで研けん究きゅうの動どう機きを述のべている。