Magi (PLUR), [a] or magus (SING), [b] is the term for priests in Zoroastrianism and earlier Iranian religions. The earliest known use of the word magi is in the trilingual inscription written by Darius the Great, known as the Behistun Inscription. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.