背せ文も字じ

noun

spine lettering; title on the spine of a book

Refers specifically to the text printed on the spine of a book, often the title and author.

• 背せ文も字じがかすれて読よめなくなった本ほんがある。

  I have a book whose spine lettering has worn off and become unreadable.

• 図と書しょ館かんで背せ文も字じだけを頼たよりに本ほんを探さがした。

  I searched for the book in the library relying only on the spine lettering.