Question

The pot calling the kettle black.

Accepted Answer

"The pot calling the kettle black" is a proverbial idiom that may be of Spanish origin, of which English versions began to appear in the first half of the 17th century. The idiom is glossed in the original sources as being used by a person who is guilty of the very thing of which they accuse another and is thus an example of psychological projection, or hypocrisy.

Front	The pot calling the kettle black.
Back	"The pot calling the kettle black" is a proverbial idiom that may be of Spanish origin, of which English versions began to appear in the first half of the 17th century. The idiom is glossed in the original sources as being used by a person who is guilty of the very thing of which they accuse another and is thus an example of psychological projection, or hypocrisy.

Pot Calling Kettle Idiom Black Proverbial Spanish Origin