penetralium
📖 Definitions
noun
The innermost, secret, or hidden parts of something.
💬 Usage Examples
“[The owner’s] attitude at the door appeared to demand my speedy entrance, or complete departure, and I had no desire to aggravate his impatience previous to inspecting the penetralium.” Emily Brontë; Wuthering Heights; Thomas Cautley Newby; 1847.