The Old Testament was written in Hebrew (Biblical Hebrew), except for some parts written in Aramaic. The New Testament was written in ancient Greek - Koine.
The first time a part of the Bible has been adopted by Christians from Judaism and the original is called the Tanakh, in Christianity, it is called the "Old Testament", in contrast to the "New Testament." Also known as "Hebrew Bible." This part of the Bible is a collection of books written over 1000 years in the Hebrew language to 13c. on 4c. BC and the Great Sanhedrin canonized as sacred of all, the prophets of Israel passed. Scripture is for all Abrahamic religions - Judaism, Christianity and Islam.
The Old Testament has 39 books, Jewish tradition holds over 24. All 39 books of the Old Testament in Judaism divided into three sections.
Combining the Book of Ruth to the Book of Judges in a book, and the Book of Lamentations of Jeremiah, we obtain, instead of 24 books 22. Twenty-two of the sacred books is in his canon of the ancient Jews, as Josephus. In the Tanakh, the order of the books is somewhat different.
All these books are also considered canonical and Christianity.
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