G1608
ἐκπορνεύω
to fornicate
ἐκ-πορνεύω [in LXX chiefly for זָנָה, frequently of spiritual unfaithfulness ;] strengthened form of πoρνεύω, implying excessive indulgence; mid, to give oneself up to fornication: Ju 7.† (AS)
The KJV translates G1608 in the following manner:
fornication (2x)
Full Thayer's lexicon entry
ἐκπορνεύω — ekporneúō
ἐκπορνεύω: 1 aorist participle feminine ἐκπορνεύσασα; (the prefix ἐκ seems to indicate a lust that gluts itself, satisfies itself completely); the Sept. often for זָנָה; "to go a whoring, 'give oneself over to fornication'" A. V.: Jud 1:7. Not found in secular writings. (Test xii. Patr. test. Dan § 5; Pollux 6, 30 (126).)
1 occurrence