Dialectal Variation and Standardization of Kafinoonoo: A Sociolinguistic Survey in the Kafa Zone of Ethiopia

Abstract— This study scrutinizes the dialectal variation of Kafinoonoo (also referred to as Kafa), an Omotic language spoken in the Kafa Zone of southwestern Ethiopia. Employing a descriptive survey methodological framework from dialect geography, including guided interviews and semantic domain questionnaires with eleven native speakers from geographically varied locations, the research identifies two primary dialect clusters: a north-western group (Gesha, Saylem, Bitta, Chenna, Shisho-Inde, Gewatta) and a central-south-eastern group (Bonga, Gimbo, Decha, Addiyo, Tello, Chetta). The central-south-eastern variety has been established as the standard language for education, media, and government functions. This paper argues that the privileging of this dialect is not a linguistic inevitability but a sociolinguistic consequence of historical, geographical, and political factors. These include the region's history as the heartland of the Kafa Kingdom, the associated social prestige of its speakers, and post-1991 Ethiopian language policy. A lexicon of 52 key variations provides empirical evidence for the dialectal split, contributing to the understanding of language standardization in under-documented Omotic languages. The findings underscore that successful standardization must be grounded in empirical dialectology while acknowledging the socio-political realities that shape linguistic hierarchies.