Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G2888
κοσμοκράτωρ
kosmokrator
{kos-mok-fat'-ore}
From G2889 and G2902; a world ruler, an epithet of Satan.
rulers
Ephesians 6:12.
Epithet
EP'ITHET, noun [Gr. a name added; to place.] An adjective expressing some real quality of the thing to which it is applied, or an attributive expressing some quality ascribed to it; as a verdant lawn; a brilliant appearance; a just man; an accurate description.
It is sometimes used for title, name, phrase or expression; but improperly.
EP'ITHET v, t, To entitle; to describe by epithets.
Websters 1825