裏打(うらう)ち

うらうち
noun
lining; backing, substantiation
1. lining, backing, mounting
The act of applying a backing material to paper, fabric, or artwork to reinforce or preserve it. A traditional craft technique used in scroll mounting and paper restoration.
掛(か)け軸(じく)の裏打(うらう)ちをする。
Apply backing to a hanging scroll.
Backing old calligraphy and paintings requires advanced skill.
The scroll mounter is carefully proceeding with the backing work using Japanese paper.
2. substantiation, backing, proof
Evidence or support that confirms or validates something. Used figuratively to mean that something is backed up by solid evidence or experience.
There is a confidence backed by experience.
データに裏打(うらう)ちされた主張(しゅちょう)だ。
It is a claim backed by data.
Precisely because it is a theory substantiated by years of research, many experts support it.

Usage

The figurative sense (sense 2) is more commonly encountered in modern usage. The pattern 〜に裏打(うらう)ちされた (backed by ~) is a very common construction, typically used with words like 経験(けいけん) (experience), データ (data), 実績(じっせき) (track record), or 努力(どりょく) (effort).

Common collocations

  • 裏打(うらう)ちをする (apply backing)
  • 〜に裏打(うらう)ちされた (backed by, substantiated by)
  • 裏打(うらう)ちのある (with substance, well-founded)

Similar words