The Septuagint (LXX): The Bible of the Early Church. If you’ve ever seen a tiny “LXX” in the footnotes of your Bible and wondered what it meant, you’ve stumbled onto one of the most important—and misunderstood—parts of biblical history. LXX stands for “Septuagint,” the Greek translation of the Old Testament. It was the Bible used by Jesus, the apostles, and the early church. And yet, many modern Bibles today rely almost entirely on a different text: the Hebrew Maso