A sacred or private place, especially the innermost chamber of a temple; a place of refuge or safety where someone is protected.
From Latin 'sanctum' meaning sacred place or holy of holies, derived from 'sanctus' meaning holy or sacred. The term entered English from religious and architectural contexts where it described the most sacred space within a temple.
The concept of sanctum sanctorum (holy of holies) in ancient temples is fascinating—only the high priest could enter the innermost sanctum once a year, creating a powerful psychological effect where the most forbidden, restricted space became the most sacred and important.
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