Words related to colon
"disease characterized by severe spasmodic abdominal pain," early 15c., from Late Latin colicus "pertaining to colic," from Greek kolikos, belonging to the kolon "lower intestine" (see colon (n.2)). The word was used in English late 14c. as an adjective, "affecting the colon." Related: Colicky (1742).
The great occupation of the nations of western Europe, from the beginning of the fifteenth century to near the close of the eighteenth century, was colonization and the establishment of empire on the American continent. The year 1775 witnessed the opening of the first act in the great drama of the decolonization of this continent, the end of which is not yet. [Speech of Hon. W.H. Seward of New York in the Senate, February 8, 1853, in Appendix to the Congressional Globe, 2nd Session, 32nd Congress]
punctuation mark, 1520s as a Latin word, nativized by 1590s, from Latin comma "short phrase or clause of a sentence or line of poetry," from Greek komma "clause in a sentence," also ""stamp, coinage," literally "piece which is cut off," from koptein "to strike, smite, cut off; disable, tire out," which is perhaps from PIE root *kop- "to beat, strike, smite" (see hatchet (n.)), or perhaps Pre-Greek.
Like colon (n.1) and period it was originally a Greek rhetorical term for a part of a sentence, and like them it has been transferred to the punctuation mark that identifies it. In reading aloud the punctuation mark is used to admit small interruptions in continuity of speech for the sake of clarity, but its purpose is to indicate grammatical structure.