History of the alphabet the early western Greek dialects, where the letter eta remained an , gave rise to the Old Italic alphabet which in turn developed into the Old Roman alphabet. In the eastern Greek dialects, which did not have an /h/, eta stood for a vowel, and remains a vowel in modern Greek and all other alphabets derived from the eastern variants: Glagolitic, Cyrillic, Armenian, Gothic (which used both Greek and Roman letters), and perhaps Georgian. Although this description presents the evolution of scripts in a linear fashion, this is a simplification. For example, the Manchu alphabet, descended from the abjads of
History of the Greek alphabet of the Stoudion monastery in Constantinople. The earliest type of books written in minuscule, dated from the mid-9th to mid-10th century, are called codices vetustissimi ('oldest codices'). During the following centuries, this style of writing was further developed and took on more cursive elements again. This became the dominant type of handwriting until the post-Byzantine period. Together with the minuscule letter shapes, Greek writing also began to use word-boundary spaces and diacritics (i.e. the accent marks and breathings of polytonic orthography) more regularly. Some punctuation began also to be employed. The iota subscript was employed from the 13th century onwards.