G0433
ἀνήκω
be fitting
ἀν-ήκω (ἀνά, ἥκω), [in LXX: Jos.23:14 (בּוֹא), 1Ki.27:8, Sir. prol.10, 1, 2 Mac6* ;] prop., to have come up to; in later writers, impers. it is due, it is befitting: in ethical sense (MM, VGT, see word), Eph.5:4, Col.3:18; τὸ ἀνῆκον, Phm 8.† (AS)
Full Thayer's lexicon entry
ἀνήκω — anḗkō
ἀνήκω; (imperfect ἀνῆκεν); in Greek writings to have come up to, arrived at, to reach to, pertain to, followed generally by εἰς τί; hence, in later writings ἀνηκει τί τίνι something appertains to one, is due to him namely, to be rendered or performed by others (1Ma 10:42 1Ma 11:35; 2Ma 14:8), and then ethically τό ἀνῆκον what is due, duty (R. V. befitting), Phm 1:8; τά οὐκ ἀνήκοντα unbecoming, discreditable, Eph 5:4 (L T Tr WH ἅ οὐκ ἀνῆκεν, Winers Grammar, 486 (452); (Buttmann, 850 (301))); impersonally, ὡς ἀνῆκε as was fitting, namely, ever since ye were converted to Christ, Col 3:18 (Winers Grammar, 270 (254); cf. Buttmann, 217 (187) and Lightfoot at the passage).
3 occurrences
Ephesians (1), Colossians (1), Philemon (1)