The chamber is always built in masonry, even in the earliest examples, as is the stomion or entrance-way.
2.
The word is derived from the Greek " stomion " meaning bridlebit or mouth and " pra " meaning wallet or pouch.
3.
When elder Paisios of the Holy Mountain lived in the Stomion Monastery, he had a vision : the roof opened and he saw a pillar of light reaching the sky.
4.
The tombs are cut from rock and have a tripartite structure ( chamber, " stomion " and " dromos " ), often with additional niches and side chambers in which primary or secondary burials took place.