1540s, from Latin Scythia, from Greek Skythia, name anciently given to the region along the north coast of the Black Sea, from Skythes "a Scythian," said to be from an Indo-European root meaning "shepherd" [Room]. As an adjective from 1560s. Herodotus is responsible for Scythian disease or Scythian insanity.[Scythian etymology, Scythian origin, 英语词源]