二に酉ゆう

noun

large collection of books; place where many books are stored

Archaic term for a large library or book repository. Not used in modern Japanese; encountered only in historical or literary contexts.

• 古ふるい文ぶん献けんに「二に酉ゆう」という言こと葉ばが出でてくるが、今いまではほとんど使つかわれない。

  The word 二酉 appears in old documents, but it is hardly used today.