G4203
πορνεύω
to sin sexually
πορνεύω [in LXX for זָנָה ;] __1. to prostitute the body for hire. __2. to commit fornication: Mrk.10:19 (WH, mg), 1Co.6:18 10:8, Rev.2:14, 20. Metaphorical (as in LXX: 1Ch.5:25, Jer.3:6, Hos.9:1, al.), of idolatry (but see Swete, Ap., 180 f.), Rev.17:2 18:3, 9 (cf. ἐκ- πορνεύω).† (AS)
The KJV translates G4203 in the following manner:
fornication (14x), committed (2x)
Full Thayer's lexicon entry
πορνεύω — porneúō
πορνεύω; 1 aorist ἐπόρνευσα; (πόρνος, πόρνη which see); the Sept. for זָנָה; in Greek writings ((Herodotus), Demosthenes, Aeschines, Dio Cassius, Lucian, others)
1. to prostitute one's body to the lust of another. In the Scriptures
2. to give oneself to unlawful sexual intercourse; to commit fornication (Vulg.fornicor): 1Co 6:18; 1Co 10:8; Rev 2:14; Rev 2:20; (Mar 10:19 WH (rejected) marginal reading).
3. by a Hebraism (see πορνεία, b.) metaphorically, to be given to idolatry, to worship idols: 1Ch 5:25; Psalm 72:27; Jer 3:6; Eze 23:19; Hos 9:1, etc.; μετά τίνος, to permit oneself to be drawn away by another into idolatry, Rev 17:2; Rev 18:1-24.
7 occurrences
I Corinthians (2), Revelation of John (5)