The English word "Bible" is from the Greek phrase ... Sinai and Zion: An Entry into the Jewish Bible. (San Francisco: HarperSan Francisco, 1985). Noth, Martin. A History of Pentateuchal Traditions.
The normal language for Jews in the Diaspora was Greek. It was in the Diaspora that the Bible was translated from Hebrew into a Greek vernacular. So, later on, when we find Paul quoting scripture ...