Abstract:
Object of analysis in the current paper are the structural and content features of the conceptual project of Yordan Valchev for creating a dictionary in which all proto Bulgarian words will be arranged and described. Special attention is paid to the methodology and methods of the long lasting lexicographical work of the writer. The main points of the linguistic concept of the researcher are presented as well some of his etymological analyses and speculations. Attention is paid to the successful aspects, the controversial moments and errors in his linguistic research works.