This module focuses on: Language change; Historical and comparative linguistics; Methods of languages classification (typological and genealogical classification); The method of internal reconstruction; Major language models, African language families, Ethiopian languages classification (Afro-Asiatic family and Nilo-Saharan family), The four sublanguage families of Ethiopia, Distribution of Ethiopian languages; Common linguistic features of Ethiopian languages; nature of Geez sound system, word formation, inflection, morphology and sentence structure