The quality of allowing light to pass through so that things behind can be seen, or the quality of being open and easy to understand.
From Medieval Latin *transparentia*, from Latin *transparent-* “shining through,” from *trans-* “through” + *parere* “to appear.” It moved into English in the 17th century to describe both physical clearness and honesty.
We use the same word for see‑through glass and see‑through behavior. When people demand transparency from governments or companies, they’re basically saying, “Don’t frost the glass on what you’re doing.”
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