Wau: The Most Amazing, Ancient, And Singular Number

Posted on the 22 February 2012 by Gerard @presurfer
Wau (the ancestor of the Latin letter F) is an archaic letter of the Greek alphabet which originally stood for the sound /w/ and later remained in use only as a numeral symbol for the number '6'. Whereas it was originally called wau, its most common appellation in classical Greek is digamma.

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