 An intensive study of the 'word' in the original language is made.After compiling 'all' information available, the material is separated into three sections (a) Dictionary Entry with evolutionary path (b) Cross-referenced to Dictionary of Indo-European Roots and cognates, where applicable (in planning is a similar section for Proto-Semitic roots) (c) A definitional section of Yiddish-English correspondence.Presently completed are words starting with 'aleph-bais', also prelimina ry work on words starting with 'aleph-yod', as well as some with 'shin-aleph'.