X

X

X, or x, is the twenty-fourth letter) of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ex (pronounced ), plural exes.


History

The letter ⟨X⟩, representing /ks/, was inherited from the Etruscan alphabet. It perhaps originated in the ⟨Χ⟩ of the Euboean alphabet or another Western Greek alphabet, which also represented /ks/. Its relationship with the ⟨Χ⟩ of the Eastern Greek alphabets, which represented /kʰ/, is uncertain.


History

The pronunciation of /ks/ in the Romance languages underwent sound changes, with various outcomes:

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