The structure is modeled after a typical Roman mausoleum, such as the Diocletian Mausoleum.
Early Christians used to assemble in neighborhood homes known as "house churches" before most churches were established. In reality, the word "church"—which in Greek means "assembly"—was frequently used to refer to the entire Christian community. There were a number of religious communities in the Holy Land by the first century AD, but most of the modern Christian churches only spread globally after the second century. The Mor Gabriel Monastery, which was founded in 397, is the oldest Syriac Orthodox monastery still in operation.
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