כַּסְדַּי Kaçday (H3679)

{a Kasdite, or descendant of Kesed; by implication, a Chaldaean (as if so descended); also an astrologer (as if proverbial of that people}

Chaldean = see Chaldea "clod-breakers" 1) a group of people usually associated with the area around Babylonia 2) the learned class of priests, magicians, or astronomers

for כַּשְׂדִּי (H3778)