“An apple a day keeps the doctor away.” > This proverb comes from the ancient Romans, who believed the apple had magical powers to cure illness. In fact, apples are filled with vitamin C, protein, pectin, natural sugars, copper, and iron. They do promote health.
“The pot calling the kettle black.” > In the seventeenth century, both pots and kettles turned black because they were used over open fires. Today, this idiom means criticizing someone else for a fault of one’s own
So when you say, “The pot calling the kettle black” instead of “Someone hypocritically criticises a person for something that they themselves do,” you’re using an idiom . The meaning of an idiom is different from the actual meaning of the words used.
“An apple a day keeps the doctor away” is a proverb. Proverbs are old but familiar sayings that usually give advice.
Both idioms and proverbs are part of our daily speech. Many are very old and have interesting histories. If you want to look at more examples of proverbs and idioms, please click here
Now, we shall look at what an idiom is and its characteristics.