Eastern Oromo

Oromo is a dialect continuum stretching across the broad expanse of central, southern, and eastern Ethiopia and adjacent Kenya. Eastern Oromo (Hararghe Oromo) shows lexical and phonological differences from the Mecha-Tulama varieties of central Ethiopia (Western Oromo) and from southern Borana and Guji varieties. The differences are substantial enough that the Oromo standard literary variety draws on a compromise based primarily on central varieties.

Across the Hararghe region of eastern Ethiopia (East and West Hararghe zones of the Oromia Regional State), surrounding the historical city of Harar. Eastern Oromo communities also live in adjacent areas of Somali Region, the city of Dire Dawa, and parts of northern Kenya. The region is famous as one of the original coffee-growing zones of the world.

Both are Cushitic, in the same broader branch of Afro-Asiatic, with shared structural features. Long contact in eastern Ethiopia and the Horn of Africa has produced loanword exchange in both directions. Speakers of Oromo and Somali in border regions often have substantial bilingual proficiency, but the languages are distinct and not mutually intelligible without exposure.

Qubee, the Latin-based Oromo alphabet officially adopted in 1991, used by all Oromo varieties. Eastern Oromo publishing, education, and media use Qubee in standard Oromo orthography. Earlier Oromo writing used the Ge'ez (Ethiopic) script alongside the Latin alphabet, but Qubee has been dominant since the 1990s.

Like other Oromo varieties — agglutinative morphology, eight cases marked by suffixes, two grammatical genders (masculine/feminine), SOV word order, and rich verb morphology conjugating for person, number, gender, tense, and aspect. The basic grammar is shared across Oromo varieties; lexical and phonological differences are what distinguish the regional varieties from each other.