penetralia

She wants to make me the stepping-stone to social success; she sighs for the purple penetralia of the plutocracy.

Yet at such an hour it will now be necessary to enter its penetralia.

He wished to be what he called "safe" with all those whom he had admitted to the penetralia of his house and heart.

Here lay the penetralia of this domicile, this weak fortification against the world.

He saw them darting out from the hidden penetralia around, moving swiftly across and sometimes darting in shoals before him.