Dictionary entry

ἐπιστήμων

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament with Strong's

ἐπιστήμων, -ον, gen., -ονoς

(ἐπίσταμαι) [in LXX: De 1:134:6, Is 5:21 (בִּין ni.), I Es 8:44, Si 10:25 21:15, etc.;]

knowing, skilled: Ja 3:13.†