'Tent door' in the Bible
And Jehovah appeared to him by the oaks of Mamre. And he sat at the tent-door in the heat of the day.
And he lifted up his eyes and saw, and behold, three men standing near him. And when he saw them, he ran to meet them from the tent-door, and bowed himself to the earth,
And he said, I will certainly return to thee at this time of the year, and behold, Sarah thy wife shall have a son. And Sarah was listening at the tent-door, which was behind him.
And it came to pass, when Moses went out unto the tabernacle, that all the people rose up, and stood every man at his tent door, and looked after Moses, until he was gone into the tabernacle.
And all the people saw the cloudy pillar stand at the tabernacle door: and all the people rose up and worshipped, every man in his tent door.
He made a screen (curtain) for the doorway of the tent, of blue, purple, and scarlet fabric, and fine twisted linen, the work of an embroiderer;
And at the sound of the people weeping, every man at his tent-door, the wrath of the Lord was great, and Moses was very angry.
The Lord came down in a pillar of cloud and stood at the doorway of the tabernacle, and He called Aaron and Miriam, and they came forward.