Not the usual Hebrew word for "law" but a late word borrowed from Persian, which is why they say it only shows up in Daniel and Esther (meaning law or custom). It did not come to mean ceremony/ritual until even later.
In MODERN Hebrew, not Biblical Hebrew, is it also used to describe someone who is religious.
From what I can tell, this is not the same word "dat" which is related to data/datum. That word "dat" is from the word "give" implying "thing" as it to "give a thing" or "any gi
Interesting. In both Arabic and Hebrew the words for religion are “din” and “dat”, which both mean “law”.
Religious leaders are basically judges.
By the way, the word “dat” is the origin of the word “data”.