Word-Built World: penetralium

Illustration: Anu Garg × DALL·E

A.Word.A.Daywith Anu Garg

penetralium

PRONUNCIATION:

(peh-nuh-TRAY-lee-uhm) 

MEANING:

noun: The innermost, secret, or hidden parts of something.

ETYMOLOGY:

Back-formation from penetralia (plural of penetrale), based on the mistaken assumption that it was singular. Earliest documented use: 1817.

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