Chaldean

[kal-dee-uh n] /kælˈdi ən/
noun
1.
one of an ancient Semitic people that formed the dominant element in Babylonia.
2.
the indigenous Semitic language of the Chaldeans, Aramaic being used as an auxiliary language.
3.
Biblical Aramaic.
4.
an astrologer, soothsayer, or enchanter. Dan. 1:4; 2:2.
adjective
5.
of or belonging to ancient Chaldea.
6.
pertaining to astrology, occult learning, etc.
Also, Chaldee
[kal-dee, kal-dee] /kælˈdi, ˈkæl di/ (Show IPA).
Origin
1575-85; < Latin Chaldae(us) (< Greek Chaldaîos Chaldaea, an astrologer) + -an
British Dictionary definitions for Chaldean

Chaldean

/kælˈdiːən/
noun
1.
a member of an ancient Semitic people who controlled S Babylonia from the late 8th to the late 7th century bc
2.
the dialect of Babylonian spoken by this people
adjective
3.
of or relating to the ancient Chaldeans or their language
Word Origin and History for Chaldean
adj.

with + -an + Latin Chaldaeus, from Greek Khaldaios, from Aramaic Kaldaie, from Akkadian (mat)Kaldu "the Chaldeans."