Biblexika
Bible Lexiconכַּשְׂדַּי
BDB / Strong's (1906 / 1890)H3779noun

כַּשְׂדַּי

Kasday[kas-dah'-ee]

a Chaldaean or inhabitant of Chaldaea; by implication, a Magian or professional astrologer

Definition

The term כַּשְׂדַּי (Kasday) refers primarily to a Chaldean, an inhabitant of Chaldaea, the region in southern Mesopotamia. In the book of Daniel, it specifically denotes the class of wise men, astrologers, and magicians who served in the Babylonian court, as seen in Daniel 2:2, 2:10, and 4:7. This dual meaning—both ethnic and vocational—reflects the Chaldeans' reputation for occult arts and divination in the ancient Near East. The word appears exclusively in the Aramaic portions of Daniel, highlighting its specialized use in the context of Babylonian imperial administration and opposition to God's revealed wisdom.

Biblical Usage

This word is used seven times, all within the Aramaic sections of the book of Daniel. It consistently refers to the Babylonian wise men or magicians who are unable to interpret dreams or signs without divine revelation. For example, in Daniel 2:10, the Chaldeans tell King Nebuchadnezzar that no one can reveal the dream except the gods. In Daniel 5:7, they are summoned to interpret the writing on the wall but fail, contrasting with Daniel's God-given insight. The usage underscores a conflict between human occult wisdom and God's sovereign revelation.

Etymology

The word כַּשְׂדַּי is the Aramaic form corresponding to the Hebrew כַּשְׂדִּי (Kasdiy, H3778), both derived from the name of the Chaldean people (Kasdu in Akkadian). It likely originates from a root meaning 'to conquer' or 'to seize,' reflecting the Chaldeans' rise to power in Babylon. Over time, the term evolved in biblical usage to emphasize not just ethnicity but also the astrological and magical practices associated with Chaldean sages in the Babylonian court.

Semantic Range

This word is theologically significant as it represents human wisdom and occult practices that stand in opposition to God's revealed truth. In Daniel, the failure of the Chaldeans highlights the supremacy of Yahweh's wisdom over pagan divination, emphasizing themes of God's sovereignty, the limits of human knowledge, and the importance of prophetic revelation. Understanding this term enriches reading by contrasting the world's systems of power and knowledge with the divine wisdom granted to faithful servants like Daniel.

In the ancient Near East, Chaldeans were originally a tribal group from southern Mesopotamia who became rulers of the Neo-Babylonian Empire. By the time of Daniel, 'Chaldean' had also come to designate a class of educated elites—astrologers, magicians, and interpreters of omens—who held influential positions in the royal court. This cultural context differs from modern understandings, as it blends ethnic identity with a professional role in divination, reflecting the integration of religion and statecraft in Babylonian society.

חַרְטֹם (chartom, H2748) — Egyptian or Babylonian magician or astrologer, often used alongside Kasday in Daniel; אַשָּׁף (ashshaph, H825) — enchanter or conjurer, another type of wise man in the Babylonian court (Daniel 2:10).

Word Details

Strong's NumberH3779
Part of Speechnoun
Hebrewכַּשְׂדַּי
TransliterationKasday
Pronunciationkas-dah'-ee
How this works

Hebrew definitions are from Brown-Driver-Briggs (1906) and Strong's Exhaustive Concordance (1890), both public domain. BDB was groundbreaking for its era but reflects 19th-century assumptions about Semitic etymology. Modern scholarship (HALOT, DCH) has revised many entries. Use these definitions as a starting point for exploration, not as the final word on a term's meaning in context.

Full methodology & sources →

Scripture References

Appears in 7 verses in the Bible
Loading concordance data...
Explore “כַּשְׂדַּי” in Scripture
Search for this word across Bible translations in the Biblexika reader.