Arcana Coelestia # 1372
1372. This becomes clear from the meaning of 'barren', dealt with elsewhere, for, as shown already, 'son' and 'daughter' mean truth and good, and in the contrary sense evil and falsity. Consequently 'barren' means that the evil and falsity of idolatrous worship were no longer reproducing themselves.
Chaldea
Chaldea was a land lying along the Euphrates river near its mouth, south of Babylon, part of what is now southern Iraq. It was a land of the Lord's second great church, the Ancient Church, which at its height had a wealth of knoweldge through its own sacred scriptures and the correspondences of nature. But as this church declined Chaldea came to represent people who use truths for evil purposes and thus profane and falsify them. Abram was born in Chaldea because of the greatness it had represented, but had to leave because of what it had become.