Then spoke the Chaldeans to the king in Aramaic, O king, live forever: tell your servants the dream, and we will show the interpretation.
All Commentaries on Daniel 2:4 Go To Daniel 2
Jerome
AD 420
Up to this point what we have read has been recounted in Hebrew. From this point on until the vision of the third year of King Balthasar [Belshazzar] which Daniel saw in Susa, the account is written in Hebrew characters, to be sure, but in the Chaldee language, which he here calls Syriac.