 He had the cliff-face Behistun Inscription carved to record his conquests, an important testimony of the Old Persian language.Darius is mentioned in the biblical books of Haggai, Zechariah, and Ezra–Nehemiah.and are the Latin forms of the Greek "Dareîos" (), itself from Old Persian "Dārayauš" (; "d-a-r-y-uš"), which is a shortened form of "Dārayavaʰuš" (, "d-a-r-y-v-u-š").