Plural of colon; either the punctuation mark (:) or the large intestine.
The punctuation mark comes from Greek kolon meaning clause or member of a sentence. The anatomical term comes from Greek kolon meaning food passage or intestine.
It's wild that the same word describes both a punctuation mark and an organ—the punctuation mark got its name because ancient Greek writers used it to separate clauses, like how the colon separates the small intestine from the rectum!
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