Strong's Greek #1921
ἐπιγνῷς

Englishman's Concordance (References)

ἐπιγνῷς epignōs — 1 Occurrence

Luke 1:4 - V-ASA-2S
GRK:ἵνα ἐπιγνῷς περὶ ὧν
NAS: so that you may know the exact truth
KJV: That thou mightest know the certainty
INT: that you might know concerning which