You actually have no defense for the Etymological Fallacy.
The word Bible comes from the Greek word "Biblos," which is translated "book." The original manuscripts of the Bible were kept in the synagogues. Those who had custody of the manuscripts first used the Greek word to describe the collection, which later became known as "the Book." [http://www.allabouttruth.org/where-did-the-word-bible-come-from-faq.htm]