Medism

Medism was the Greek term for collaborating with or siding with the Persian Empire, whose people the Greeks often called Medes. It was a charge of treason during and after the Persian Wars of the fifth century BCE, levelled at Thebes and other states that submitted to Xerxes in 480 BCE and at individuals such as the Spartan regent Pausanias. The word reflects how closely Greeks linked Persia with its Median predecessor.