Abstract
Introduction: The linguistic and religious affiliation of the peoples of the arid lowlands of northern Kenya and adjacent areas of the Horn is very heterogeneous. Although most of the populations east of Lake Turkana speak languages which belong to the Lowland branch of the Eastern Cushitic sub-family, within this branch Oromo speech (Boran, Gabbra, Sakuye, Orma) is not mutually intelligible with Somaloid languages like Rendille and Somali. Even within the Somaloid group, successful communication between monolingual Rendille and Somali is normally difficult, but a high degree of bilingualism is found.