| Abstract |
The sights of East Slavonic business written language are the valuable source for linguistic researches. The special interest causes the becoming history of East Slavonic dialects, fixed in XIV-XV century documents. The linguistic analysis of the Great duchy Lithuanian records, Moldavian offices and other XIV-XV century documents allow to make conclusions about the development of Polesye southwestern dialects of Ukrainian language, which (together with southeastern dialects) form the basis of modern Ukrainian adverbs. The result of investigation testify to maintenance and relative stability of North-Ukrainian and southwestern dialects in Ukrainian national language. |
