βιβλίον

Means book, scroll or document.

Noun, neuter.

Declensions of βιβλίον

Case	Singular	Plural	Meaning
Nominative	βιβλίον	βιβλία	Subject: “a book” / “books”
Genitive	βιβλίου	βιβλίων	Possession: “of a book” / “of books”
Dative	βιβλίῳ	βιβλίοις	Indirect object: “to/for a book” / “to/for books”
Accusative	βιβλίον	βιβλία	Direct object: “a book” / “books”
Vocative	βιβλίον	βιβλία	Addressing: “O book!” / “O books!” (same as nominative for neuters)