The Heb. Kasdim is generaliy rendered 'Chaldees' (Ge 11:28), and in Jer 50:10; 51:24; 24:5; 25:12, and often, is used for 'Babylonian.' The word is derived from the Babylonian name Kald
And death came to Haran when he was with his father Terah in the land of his birth, Ur of the Chaldees.
This is what the Lord, the God of Israel, has said: Like these good figs, so in my eyes will be the prisoners of Judah, whom I have sent from this place into the land of the Chaldaeans for their good.
And it will come about, after seventy years are ended, that I will send punishment on the king of Babylon, and on that nation, says the Lord, for their evil-doing, and on the land of the Chaldaeans; and I will make it a waste for ever.
And the wealth of Chaldaea will come into the hands of her attackers: all those who take her wealth will have enough, says the Lord.
And I will give to Babylon, and to all the people of Chaldaea, their reward for all the evil they have done in Zion before your eyes, says the Lord.
Young men who were strong and healthy, good-looking, and trained in all wisdom, having a good education and much knowledge, and able to take positions in the king's house; and to have them trained in the writing and language of the Chaldaeans.
Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain