υπόγειος (ipogios)
Actually, the word camera is Latin or Greek for a vault or a chamber.
Tagalog word for vault: pagtalon
Latin. "Cave" is from the Old French "cave" (a cave, vault, cellar; 12c.), from Latin "cavea" (hollow).
Vault only has one syllable. This means the whole word is the syllable.
open area
vault
Another word for crypt is mausoleum or vault.
Cellar, vault, crypt?
There is 1 syllable.
If you are assuming the first definition for the word vault is an arched structure, then I suppose the space under an arched structure would be number two.
grave, repository, vault, burial
The answer starts with a va and the word is ........................................VAULT