Unit prefix or if letters such as "T", which are already in use as SI units or prefixes, will again be skipped. Several personal proposals have been made for extending the series of prefixes, with ascending terms such as "xenna, weka, vendeka" (from Greek "ennea" (9), "deka" (10), "endeka" (11)) and descending terms such as "xono", "weco", "vundo" (from Latin "novem/nona" (9), "dec" (10), "undec" (11). Using Greek for ascending and Latin for descending would be consistent with established prefixes such as "deca, hecto, kilo" vs "deci, centi, milli"). Although some of these are repeated on the internet, none are in actual
Greek East and Latin West the Slavic nations never fully embraced the language despite their long religious affiliation with the Eastern Romans/Byzantines. Greek East and Latin West Greek East" and "Latin West are terms used to distinguish between the two parts of the Greco-Roman world, specifically the eastern regions where Greek was the "lingua franca" (Anatolia, Eastern Europe, and the Middle East) and the western parts where Latin filled this role (Central and Western Europe). During the Roman Empire a divide had persisted between Latin- and Greek-speaking areas; this divide was encouraged by administrative changes in the empire's structure between the 3rd and 5th centuries,