G1772
ἔννομος
under law
ἔν-νομος, -ον [in LXX: Sir, Pro.1:1-33 ogue 12* ;] __1. lawful, legal (MM, Exp., xiii): Act.19:39. __2. Of persons, __(a) law-abiding; __(b) under law: ἔ. Χριστοῦ, in relation to Christ, 1Co.9:21 (Cremer. 435).† (AS)
The KJV translates G1772 in the following manner:
law (2x), lawful (2x)
Full Thayer's lexicon entry
ἔννομος — énnomos
ἔννομος, ἐννομον (νόμος);
1. bound to the law; bound by the law: Χριστῷ, or more correctly Χριστοῦ L T Tr WH, 1Co 9:21 (cf. Buttmann, § 132, 23).
2. as in Greek writings from (Pindar), Aeschylus down, lawful, regular: Act 19:39 (on which see Lightfoot in The Contemp. Rev. for 1878, p. 295; Wood, Ephesus etc., Appendix, p. 38).
2 occurrences
Acts (1), I Corinthians (1)