V. Vyatkin had recorded part of this inscription, then, half a century later, V. Shishkin published it. Here we cite this text from the mentioned publication. At the present time, this door has been transferred to the Museum of History of Samarkand since the keeping conditions on the spot did not satisfy the necessary requirements.
… put in the earth … like a decorated pearl … yet his [her?] spirit retired to the paradise meadow from this [world] …
You can read more about the inscriptions on the buildings of the memorial ensemble in the book-album “Samarkand. Shakhi-Zinda” series “Architectural epigraphy of Uzbekistan”.