Then again, parts of Daniel are in Aramaic. But nevertheless, that time period of Aramaic in Daniel’s time down to Jesus’ time, and even Aramaic Hebrew in Ezra’s time with the MT that followed it, were all long after Moses’ time.
So the earliest books of the Bible were an oral tradition in a Caananite-like language, and after a few re-translations over thousands of years it finally got recorded in Masoretic Hebrew?