Strong's Greek Concordance

G4566: Σατᾶν

Satân · “Satan”

Definition

Satan, i.e. the devil

KJV translates it as: Satan

Word origin: of Hebrew origin (H7854);

Extended definition

Satan , i. e. an adversary, enemy : name for the Devil , (New Testament)
Hebr. word. (ML)

Abbott-Smith Manual Greek Lexicon (1922) via STEPBible TBESG (CC BY 4.0).