Wikipedia
C
C is the third letter in the Latin alphabet. Its name in English () is spelled cee, plural cees."C" Oxford English Dictionary, 2nd edition (1989); Merriam-Websters Third New International Dictionary of the English Language, Unabridged (1993); "cee", op. cit.
History
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! Phoenician gimel
! Hebrew gimel
! Classical Greek Gamma
! Etruscan C
! Old Latin C
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C comes from the same letter as G or g. The Semites named it gimel. The sign is possibly adapted from an Egyptian hieroglyph for a staff sling, which may have been the meaning of the name gimel. Another possibility is that it depicted a camel, the Semitic name for which was gamal.
In the Etruscan language, plosive consonants had no contrastive voicing, so the Greek "Times New Roman">Γ (Gamma) was adopted into the Etruscan alphabet to represent the phoneme. Already in the Western Greek alphabet, Gamma first took a form in Early Etruscan, then in Classical Etruscan. In Early Latin it took a form then C in Classical Latin. In the earliest Latin inscriptions, the letters C, K and Q were all used to represent the sounds /k/ and /g/ (which were not differentiated in writing). Of these, Q was used to represent /k/ or /g/ before a rounded vowel, K before /a/, and C elsewhere. During the 3rd century BC, a modified character was introduced for , and C itself retained for . The use of C (and its variant G) replaced most usages of K and Q. Hence, in the classical period and after, G was treated as the phonetic representative of "gamma", and C as the equivalent of "kappa", in the transliteration of Greek words into Roman spelling, as in "KA∆MOΣ, KYPOΣ, ΦΩKIΣ," in Roman letters "CADMVS, CYRVS, PHOCIS". It is also possible but uncertain that C represented only at a very early time, while K might have been used for .
Other alphabets have letters identical to C in form but not in read more at » http://en.wikipedia.org/wiki/C