κατεργάζομαι; perfect infinitive 
κατειργάσθαι (
1 Peter 4:3 L T Tr WH); 1 aorist middle 
κατειργασαμην, and 
κατηργασαμην (
Romans 7:8 T Tr.; (
2 Corinthians 7:11 T)); 1 aorist passive 
κατειργασθην, and 
κατηργασθην (
2 Corinthians 12:12 Tdf.); see 
ἐργάζομαι, at the beginning; a deponent middle verb; (according to Fritzsche, Romans, i., p. 107 the 
κατά is either intensive (Latin
perficere) or descensive (Latin
perpetrare)); 
a. to perform, accomplish, achieve (
R. V. often 
work): 
Romans 7:15, 
17f, 
20; 
τί διά τίνος (the genitive of person), 
Romans 15:18; 
ἅπαντα κατεργασάμενοι having gone through every struggle of the fight, 
Ephesians 6:13 (cf. Meyer, in the place cited); 
σημεῖα, passive 
2 Corinthians 12:12; of disgraceful actions, equivalent to 
to perpetrate, Romans 1:27; 
Romans 2:9; 
1 Corinthians 5:3; 
1 Peter 4:3. 
b. to work out (Latin
efficere), i. e. 
to do that from which something results; of man: 
τήν σωτηραν, make every effort to obtain salvation, 
Philippians 2:12; of things: 
bring about, result in, Romans 4:15; 
Romans 5:3; 
Romans 7:8; 
2 Corinthians 7:10 (where 
L T Tr WH ἐργάζομαι); 
James 1:3, and 
R G in 20; 
τί τίνι, 
Romans 7:13; 
2 Corinthians 4:17; 
2 Corinthians 7:11; 
2 Corinthians 9:11. 
c. κατεργάζεσθαι τινα εἰς τί, 
to fashion, i. e. render one fit for a thing: 
2 Corinthians 5:5. (Often in Greek writings from 
Sophocles and 
Herodotus down; several times in the 
Sept..) 
    THAYER’S GREEK LEXICON, Electronic Database.
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BLB Scripture Index of Thayer's