Pseudo door - Gihi

...A niche was carved on the east side, where funerals were held and people communicated with the deceased. Later, an entrance was made on the east side, and a false door (a niche in the shape of a door for worship that connects the dead with the living) was placed on the northeast side, making it a small funeral hall. From the end of the 3rd Dynasty, cross-shaped chambers began to be built within the tomb walls, and from the 4th Dynasty onwards, the chambers within the tombs developed, some with corridors, and serdāb (a closed room containing a statue of the dead) was built on the south or north side of the shrine hall....

*Some of the terminology explanations that mention "pseudo-doors" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…東側には壁龕（へきがん）が彫られ，ここで葬儀が行われ，故人との交流がなされた。その後東側に入口がつくられ，北東側に擬扉false door(死者と生者を結びつける，礼拝用の扉の形をした龕)が置かれ，小型葬祭室となった。第3王朝の終りころより十字形の室を墓壁内につくるようになり，第4王朝以後では墓内の室は発達し，回廊をもつものも現れ，祀堂の南または北側にセルダーブserdāb(死者の彫像を収めた密室。…

※「擬扉」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報