1 Kings 6:31

For the entrance to the inner sanctuary he made doors of olivewood; the lintel and the doorposts were five-sided.

I am the door. If anyone enters by me, he will be saved and will go in and out and find pasture.

Jesus said to him, "I am the way, and the truth, and the life. No one comes to the Father except through me.

may have strength to comprehend with all the saints what is the breadth and length and height and depth,

Therefore, brothers, since we have confidence to enter the holy places by the blood of Jesus,

Treasury of Scripture Knowledge

And for the entering of the oracle he made doors of olive tree: the lintel and side posts were a fifth part of the wall.

I am the door. If anyone enters by me, he will be saved and will go in and out and find pasture.

Jesus said to him, "I am the way, and the truth, and the life. No one comes to the Father except through me.

may have strength to comprehend with all the saints what is the breadth and length and height and depth,

Therefore, brothers, since we have confidence to enter the holy places by the blood of Jesus,

The nave and the Holy Place had each a double door.