帙ちつ

noun

book cover; folding book case

Refers to a traditional protective case for books, often a folding box with clasps, used historically for scrolls or bound volumes. Rare in everyday modern Japanese.

• 古ふるい経きょう典てんは帙ちつに収おさめられていた。

  The old sutras were kept in a folding book case.

counter

counter for book covers

Used as a counter for book covers or cases, especially in bibliographic or antiquarian contexts. Extremely specialized and not used in ordinary counting.

• この文ぶん庫こには帙ちつが三みっつある。

  This collection has three book cases.