F is the sixth letter in the Latin alphabet. Its name in English is spelled ef or eff . History Proto-Semitic W Phoenician W Etruscan W Greek Digamma (W) Roman F The origin of F is the Semitic letter vâv that represented the sound /v/, and originally probably represented either a "hook" or a "club". It may have been based on a comparable Egyptian hieroglyph, such as that for "mace": T3 The Phoenician form of the letter was adopted into Greek as a vowel, upsilon (which res… (More on F)