Battle of Cunaxa Illustration

[Giannis K. Hoplite]

The only latin-greek relevance is that at some point very early latin has evolved from some greek(boeotian?) dialect.How the boeotian alphabet changed in terms of pronunciation effected by the native Italiotic language,I don't know.What I do know is that Byzantine hymns are all written in "Hellenistiki Koine",common Hellenistc,and that there was not a gap in the continuation of greek language.What do I mean?That Byzantine priests did not suppose that the Hellenistic language had to be pronounced that way,they just wrote in the existing language.Equally,nowadays you don't speak in the language of religious hymns,but you do pronounce in modern greek the letters in the same way.
And here is a difference between the relation of Ancient-Byzantine and Byzantine-Modern greek language.In the 2nd,3rd..6th and so on centuries,greek language never stopped being written and tought.From the end of Byzantium and till the 18th century,greek language was seldom being tought and written.One would expect greater changes between the Byzantine and Modern language,in terms of pronunciation(because grammar had to be almost reconstructed by simplifying ancient greek).But no changes have been made,and I don't find a reason for so basic differantiation from hellenistic to byzantine language.
To sum up,I think the erasmian system was made to help latin speaking researchers,who had in depth studied ancient greek grammar but knew nothing of the real speaking greek language,talk and understand each other in ancient Greek.
Khaire
Giannis