bibliothek (n.) Look up bibliothek at Dictionary.com
Old English biblioðece "the Scriptures," from Latin bibliotheca "library, room for books; collection of books," from Greek bibliotheke, literally "book-repository," from biblion (see Bible) + theke "case, chest, sheath," from suffixed form of PIE root *dhe- "to set, put." Used of the Bible by Jerome and serving as the common Latin word for it until Biblia began to displace it 9c.