gray eminence
noun
a person who wields unofficial power, especially through another person and often surreptitiously or privately.
Also
éminence grise.
Origin of gray eminence
1940–45; translation of French
éminence grise
Words nearby gray eminence
gray catbird,
gray code,
gray column,
gray degeneration,
gray duck,
gray eminence,
gray fiber,
gray fox,
gray friar,
gray goods,
gray hat