Medism
/ˈmiːdɪz(ə)m/Greek History
noun
Sympathy with or support for the Medes or Persians (especially by some Greeks during the Persian Wars of the 6th and 5th centuries b.c.); Medizing.
Origin
Mid 19th century; earliest use found in George Grote (1794–1871), historian and politician. From ancient Greek μηδισμός (earliest in Herodotus) from Μῆδος + -ισμός.