The Pronaos comes after it, which is higher than the rooms mentioned and wider on the right and left sides: it is 40 cubits by 36, with a total height of 30 cubits, and it is most perfectly carved on its inside with reliefs. The House of the Morning and the House of Papyrus Rolls are on the right and left sides of it. There is a small door in it, facing eastwards. There are 18 perfect columns that support the [horizon (the ceiling)], just as the sky is supported under the Winged Scarab.The Great Building Inscription of the edfu Temple Translated by Dieter Kurth
About the Pronaos
The Pronaos or Outer Hypostyle Hall is the smaller hall before The Great Hall. It is so-named Hypostyle due to the many columns that support the ceiling. The twelve columns, carved to resemble papyrus, are carved completely with beautiful reliefs, depicting offerings by Pharaohs to the gods, symbols of strength and protection, and many others. The ceiling depicts astronomical motifs beautifully painted, of which a great portion still survives. There are six columns incorporated into the southern screen wall, which stand half the height of the Pronaos. The small door mentioned in the building texts leads to the Pure Corridor. Inside the Pronaos are the doors to the rooms of the House of the Morning and the House of Papyrus . Carved on its walls are reliefs of the Foundation and the Consecration of the Temple.
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Watterson, B. (1998). The house of Horus at Edfu: ritual in an ancient Egyptian temple. Tempus.