θύρα, 
θύρας, 
ἡ (from 
θύω to rush in, properly, that through which a rush is made; hence, German Thür (English 
door; 
Curtius, § 319)) (from 
Homer down), the 
Sept. for 
דֶּלֶת and 
פֶּתַח, sometimes also for 
שַׁעַר; 
a (house) door; (in plural equivalent to Latin 
fores, 
folding doors; cf. 
Winers Grammar, 176 (166); 
Buttmann, 24 (21); cf. 
πύλη); 
a. properly: 
κλείειν, etc. 
τήν θύραν, 
Matthew 6:6; 
Luke 13:25; passive, 
Matthew 25:10; 
Luke 11:7; 
John 20:19, 
26; 
Acts 21:30; 
ἀνοίγειν, 
Acts 5:19; passive 
Acts 16:26f; 
κρούειν, 
Acts 12:13; 
διά τῆς θυρης, 
John 10:1f; 
πρός τήν θύραν, 
Mark 1:33; 
Mark 11:4 (
Tr WH omit 
τήν; cf. 
Winer's Grammar, 123 (116)); 
Acts 3:2; 
τά πρός τήν θύραν the vestibule (so 
Buttmann, § 125, 9; others the space or parts at (near) the door), 
Mark 2:2; 
πρός τῇ θύρα John 18:16; 
ἐπί τῇ θύρα, 
Acts 5:9; 
πρό τῆς θύρας, 
Acts 12:6; 
ἐπί τῶν θυρῶν, 
Acts 5:23 (
R G πρό). 
b. θύρα is used of any opening like a door, 
an entrance, way or passage into: 
ἡ θύρα τοῦ μνημείου, of the tomb, 
Matthew 27:60; 
Matthew 28:2 R G; 
Mark 15:46; 
Mark 16:3, (
Homer, Odyssey 9, 243; 12, 256; others). 
c. in parable and metaphorically, we find 
α. ἡ θύρα τῶν προβάτων, the door through which the sheep go out and in, the name of him who brings salvation to those who follow his guidance, 
John 10:7, 
9; cf. Christ. From Fritzsche in Fritzschiorum opuscc., p. 20ff; (in 
Ignatius ad Philad. 9 [ET] Christ is called 
ἡ θύρα τοῦ πατρός, 
δἰ ἧς ἐισερχονται Ἀβραάμ... 
καί οἱ προφῆται; cf. Harnack on 
Clement of Rome, 1 Cor. 48, 3f [ET]). 
β. 'an open door' is used of the 
opportunity of doing something: 
τῆς πίστεως, of getting faith, 
Acts 14:27; open to a teacher, i. e. the opportunity of teaching others, 
2 Corinthians 2:12; 
Colossians 4:3; by a bold combination of metaphor and literal language, the phrase 
θύρα μεγάλη καί ἐνεργής (
A. V. a great door and effectual) is used of a large opportunity of teaching a great multitude the way of salvation, and one encouraging the hope of the most successful results: 
1 Corinthians 16:9. 
γ. the door of the kingdom of heaven (likened to a palace) denotes the conditions which must be complied with in order to be received into the kingdom of God: 
Luke 13:24 (for 
Rec. πύλης); power of entering, access into, God's eternal kingdom, 
Revelation 3:8 cf. 
Revelation 3:7 (but others besides; add here 
Revelation 4:1). 
δ. he whose advent is just at hand is said 
ἐπί θύραις εἶναι, 
Matthew 24:33; 
Mark 13:29, and 
πρό θυρῶν ἑστηκεναι, 
James 5:9. 
ε. ἑστηκώς ἐπί τήν θύραν καί κρούων is said of Christ seeking entrance into souls, and they who comply with his entreaty are said 
ἀνοίγειν τήν θύραν, 
Revelation 3:20. 
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