From apo and deiknuo; to show off, i.e. Exhibit; figuratively, to demonstrate, i.e. Accredit -- (ap-)prove, set forth, shew.
see GREEK apo
see GREEK deiknuo
1. properly, to point away from oneself, to point out, show forth; to expose to view, exhibit (Herodotus 3, 122 and often): 1 Corinthians 4:9. Hence,
2. to declare: τινα, to show, prove what kind of a person anyone is, Acts 2:22 (where manuscript D gives the gloss (δεδοκιμ)ἀσμενον); 2 Thessalonians 2:4 (Lachmann marginal reading ἀποδειγνυοντα). to prove by arguments, demonstrate: Acts 25:7. Cf. Winer's De verb. comp. etc. Part iv., p. 16f.