Strong's Greek #455
ἠνεῳγμένη

Englishman's Concordance (References)

ἠνεῳγμένη ēneōgmenē — 1 Occurrence

Revelation 4:1 - V-RPM/P-NFS
GRK:ἰδοὺ θύρα ἠνεῳγμένη ἐν τῷ
NAS: a door [standing] open in heaven,
KJV: behold, a door [was] opened in heaven:
INT: behold a door opened in