Etymology:
The phrase "fool proof" is derived from the words "fool" and "proof."
Meaning:
"Fool proof" means something that is so well-designed or executed that even a foolish person cannot make a mistake using it. It implies that something is so simple, straightforward, or error-resistant that even the most inexperienced or incompetent user can use it safely and effectively.
Origin:
The earliest known usage of the phrase "fool proof" can be traced back to the 19th century. It is believed to have originated in the United States in the context of engineering and manufacturing.
Initially, the term was used to describe machines or devices that were designed to be highly resistant to user error. As technology advanced and became more accessible, the phrase "fool proof" was also applied to other contexts, such as software programs, instructions, and procedures.
Today, the phrase "fool proof" is commonly used in a wide variety of contexts to convey the idea of something that is easy to use, error-resistant, and suitable for even the most inexperienced or unskilled users.
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