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Oct 09 2020 24

Penetralia is a noun that refers to the innermost part.

Our word of the day comes from the Latin word penetralis (pen ay TRAWL ace) which means ‘innermost.’ It’s where we get the word ‘penetrate.’ When we penetrate a place, we see the innermost part, or penetralia.

As lovely as the castle looks on the outside, it’s even lovelier on the inside. The penetralia contains all kinds of exotic jewels.