偽ぎ書しょ

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

forgery; spurious document; apocryphal book

Refers to a document or book that is falsely attributed, forged, or of doubtful authenticity. Often used in historical, literary, or legal contexts.

• その古こ文ぶん書しょは偽ぎ書しょだと判はん明めいした。

  That old document turned out to be a forgery.

• 偽ぎ書しょの疑うたがいがある写しゃ本ほんが発はっ見けんされた。

  A manuscript suspected of being apocryphal was discovered.