傍ぼう証しょう

noun, noun or participle which takes 'suru', transitive verb

supporting evidence; corroboration

Used in formal or academic contexts for evidence that supports a claim indirectly, often alongside direct evidence.

• この文ぶん書しょは彼かれの主しゅ張ちょうの傍ぼう証しょうとなる。

  This document serves as supporting evidence for his claim.

• 目もく撃げき証しょう言げんを傍ぼう証しょうする物ぶっ的てき証しょう拠こが発はっ見けんされた。

  Physical evidence corroborating the eyewitness testimony was discovered.