This word, like “father,” “mother,” “daughter,” etc., is common to the whole A'ryan family. Greek, poter, a drinking-vessel; Latin, poc-ulum- i.e. potaculum; Irish and Swedish, pota; Spanish, pote; German, pott; Danish, potte; French, Welsh, Anglo-Saxon, pott, etc.
“Now and then a farm went to pot.” —Dr. Arbuthnot.
The pot calls the kettle black. This is said of a person who accuses another of faults committed by himself. The French say, “The shovel mocks the poker” (La pelle se moque du fourgon).
“Brazen and earthen pots float together in juxtaposition down the stream of life.” —Pall Mall Gazette.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894