(犹太教)至圣所

Sanctum \Sanc"tum\, n. [L., p. p. of sancire to consecrate.]
A sacred place; hence, a place of retreat; a room reserved
for personal use; as, an editor's sanctum.

{Sanctum sanctorum} [L.], the Holy of Holies; the most holy
place, as in the Jewish temple.