Third person singular present indicative of a compound of ek and eimi; so also exon ex-on' neuter present participle of the same (with or without some form of eimi expressed); impersonally, it is right (through the figurative idea of being out in public) -- be lawful, let, X may(-est).
see GREEK ek
see GREEK eimi
see GREEK eimi
a. followed by the present infinitive: Matthew 12:2, 10 (Tdf. infinitive aorist), b. followed by the dative of person and a present infinitive: Mark 6:18; Acts 16:21; Acts 22:25; and an aorist infinitive: Matthew 19:3 (L T WH omit the dative); Matthew 20:15; Mark 2:26 (R G L Tr text); Mark 10:2; Luke 20:22 R G L; John 5:10; John 18:31; Acts 21:37; ἐξόν ἦν, Matthew 12:4; ἅ οὐκ ἐξόν, namely, ἐστι, 2 Corinthians 12:4; with the infinitive omitted, as being evident from the context: πάντα (μοι) ἔξεστιν, namely, ποιεῖν, 1 Corinthians 6:12; 1 Corinthians 10:23. c. followed by the accusative and infinitive: Luke 6:4; Luke 20:22 T Tr WH; so here and there even in classic writings; cf. Rost § 127 Anm. 2; Kühner, § 475 Anm. 2; (Buttmann, § 142, 2). STRONGS NT 1832: ἐξόνἐξόν, see ἔξεστι.