Strong's Greek #1921
ἐπεγνωκέναι

Englishman's Concordance (References)

ἐπεγνωκέναι epegnōkenai — 1 Occurrence

2 Peter 2:21 - V-RNA
GRK:αὐτοῖς μὴ ἐπεγνωκέναι τὴν ὁδὸν
NAS: For it would be better for them not to have known the way
KJV: not to have known the way
INT: for them not to have known the way