The first letters were exclusively consonantal. They all stem from logograms that were reinterpreted as phonograms according to the acrophonic principle. The names of the letters (aleph, beth ...) are the concepts represented by the erstwhile logograms, translated into Canaanite. Some of the first letters still bear a remote pictographic resemblance to the object represented.

The essential phases in the evolution of the alphabet are the following:

beginningnameplacelanguagecharacteristics
-3200HieraticEgyptEgyptianonly partly alphabetic
-1500Proto-Semitic (= Proto-Sinaitic)Palestine, Sinai, Egypt?22/23 letters, few inscriptions, largely undeciphered. Hieratic origin disputed.
-1400Proto CanaaniteIsrael, LebanonCanaaniteabout a dozen inscriptions,
-1050PhoenicianLebanonPhoenician, Aramaicletters represent consonants only
-950Paleo-HebrewIsrael, JudahHebrew
-800AramaicNear EastAramaic, Hebrewsquare-script, modified version of Phoenician alphabet, still exclusively consonantal
-180HebrewIsraelHebrewmodified version of the Aramaic alphabet, 22 letters
-800GreekGreeceGreekintroduction of vowel letters
-280KhāroshtiNorthwest IndiaSanskritadapted from Aramaic