The story
- Old Persian · derived from*darikah
- Ancient Greek · borrowed fromδᾱρεικός
- English todaydaric
From Ancient Greek δᾱρεικός (dāreikós), from Old Persian *darikah. Doublet of gold and yellow. Considered by classical authors to be from Δαρεῖος (Dareîos, “Darius”) who standardized the coinage as such, but this is a folk etymology.
Etymology from Wiktionary, CC BY-SA 4.0.