The Attic a, which does not represent an IndoEuropean a, but arises by contraction, as in OtXe77-m, or through the lengthening of the vowel sound as the result of the loss of a consonant, as in Eiprt j Avos for FEFpn Avos) the short sound is represented by B; c is found at Corinth in its oldest form, and also as I, while in Thera it is In Thera the w sound of digamma (F) was entirely lost, and therefore is not represented.
These are: (a) how Greek utilized the four sibilants (Shin, Samech, Zain and Zade), which it took over from the Phoenician; (b) what was the history of development in the symbols for cl), x, 4', w (the history of E belongs to both heads); (c) the history of the symbol for the digamma F.
But the Phoenician form corresponding to it is the consonant w, and occupies the of position of the Greek digamma as sixth in the series.
But as Dr Evans has found a form like the digamma among his most recent types of symbols, and as we have no intermediate forms which will prove the development of from Y, though the form found at Oaxos in Crete, viz.
English w), the sign for the digamma F was left unemployed, and as FH was a cumbrous method of representing a sound which did not exist in Greek, the second element came to be left out in writing.
The differentiation of the Roman alphabet from the Greek is brought about (a) by utilizing the digamma for the unvoiced labio dental spirant F; (b) by dropping out the aspirates 0, (I), in the Chalcidian alphabet, whence the Roman is derived) from the alphabet proper and employing them on l as numerals, 0 'y' ?
For the Greek digamma Etruscan used both 3 and q, but the former only was borrowed by the other languages.
As the old digamma was kept, this new sign was placed after those borrowed from the Chalcidian - alphabet.
That which is written in some Greek alphabets by the " digamma " F.
So too the digamma is called " Aeolic " by grammarians, and is found on Aeolic and Doric inscriptions.
Certain prominent historical differences between Aeolic and Ionic (the digamma and a) are known to be unoriginal.
Digamma, Indogermanische Forschungen (1898), ix.