noun, noun or participle which takes 'suru', transitive verb
Financial and legal term: signing the back of a cheque, bill, or document to transfer rights or guarantee payment.
小切手に裏書をしてください。
Please endorse the cheque.
手形の裏書は銀行
Endorsement of bills can be done at the bank.
noun, noun or participle which takes 'suru', transitive verb
verification on the back; back inscription
Historical/archival use: a note or certificate of authenticity written on the back of a scroll or document. Sense 3 is a more general comment or note on the back.
その掛け軸の裏書には、作者の署名がある。
On the back of the hanging scroll, there is a verification note with the artist's signature.
noun, noun or participle which takes 'suru', transitive verb
proof; confirmation; substantiation
Figurative extension: something that serves as evidence or backing for a claim or statement. Often used in formal or argumentative contexts.
彼の証言が、その理論の裏書となった。
His testimony served as confirmation of the theory.
データが主張を裏書している。
The data substantiates the claim.