Middle voice from ergon; to toil (as a task, occupation, etc.), (by implication) effect, be engaged in or with, etc. -- commit, do, labor for, minister about, trade (by), work.
see GREEK ergon
1. absolutely,
a. to work, labor, do work: it is opposite to inactivity or idleness, Luke 13:14; John 5:17; John 9:4; 2 Thessalonians 3:10; with addition of ταῖς χερσί, 1 Corinthians 4:12; 1 Thessalonians 4:11; with the accusative of time: νύκτα καί ἡμέραν, 2 Thessalonians 3:8 (but L text T Tr WH the genitive, as in 1 Thessalonians 2:9 (see ἡμέρα, 1 a.); cf. Winer's Grammar, § 30, 11 and Ellic. on 1 Timothy 5:5); with the predominant idea of working for pay, Matthew 21:28 (ἐν τῷ ἀμπελῶνι); Acts 18:3; 1 Corinthians 9:6; 2 Thessalonians 3:12; according to the conception characteristic of Paul, ὁ ἐργαζόμενος he that does works conformed to the law (Germ.der Werkthatige): Romans 4:4f.
b. to trade, to make gains by trading, (cf. our do business): ἐν τίνι, with a thing, Matthew 25:16 (often so by Demosthenes).
2. transitive,
a. (to work, i. e.) to do, work out: τί, Colossians 3:23; 2 John 1:8 (with which (according to reading of L T Tr text) cf. 1 Corinthians 15:58 end); μηδέν, 2 Thessalonians 3:11 ἔργον, Acts 13:41 (פֹּעַל פָּעַל, Habakkuk 1:5); ἔργον καλόν εἰς τινα, Matthew 26:10; ἐν τίνι (the dative of person (cf. Winer's Grammar, 218 (205))), Mark 14:6 (Rec. εἰς ἐμέ); ἔργα, wrought, passive, John 3:21; τά ἔργα τοῦ Θεοῦ, what God wishes to be done, John 6:28; John 9:4; τοῦ κυρίου, to give one's strength to the work which the Lord wishes to have done, 1 Corinthians 16:10; τό ἀγαθόν, (Romans 2:10); Ephesians 4:28; πρός τινα, Galatians 6:10; κακόν τίνι τί, Romans 13:10 (τινα τί is more common in Greek writings. (Kühner, § 411, 5)); τί εἰς τινα, 3 John 1:5, with the accusative of virtues or vices, (to work, i. e.) to exercise, perform, commit": δικαιοσύνην, Acts 10:35; Hebrews 11:33, (Psalm 14:2 b. to work for, earn by working, to acquire, (cf. Germ.erarbeiten): τήν βρῶσιν, John 6:27 (χρήματα, Herodotus 1, 24; τά ἐπιτήδεια, Xenophon, mem. 2, 8, 2; Demosthenes 1358, 12; ἀργύριον, Plato, Hipp., major edition, p. 282 d.; βίον, Andocides (