sanctum — OET

sanctum

noun

1 the carving is done in that portion of the temple designed to be the sanctum:

holy place, shrine, sanctuary, altar, inner sanctum, holy of holies;

Latin sanctum sanctorum.

2 the inner bar remained a private sanctum for the regulars:

refuge, retreat, bolthole, foxhole, hideout, hiding place, hideaway, study, den;

Spanish querencia.

sanctum Oxford Dictionary of English