sanctum
Concise Oxford English Dictionary © 2008 Oxford University Press:
sanctum /ˈsaŋ(k)təm/
▶noun (pl. sanctums)
- 1 a sacred place, especially a shrine in a temple or church.
- 2 a private place.
– origin C16: from L., neut. of sanctus ‘holy’, from sancire ‘consecrate’.
'sanctum' also found in these Oxford entries:

