The reconstruction method opportunities in the historical-lexicological research

In the article the problem of methodology in the diachronic lexicology is considered. Stated in Russian historical linguistics the vocabulary reconstruction methods, developed for different material and considered by the author of this article as words reconstructions methods, are analysed. The vocabulary reconstruction method on the basis of proper names, that summarises existing results and also experience and observations of the author of this article, is suggested. By the example of Perm Kray oikonimia the stages of reconstruction are commented, the method opportunities are discovered.