Arbore is an Afro-Asiatic language spoken by the Arbore people in southern Ethiopia in a few settlements of Hamer woreda near Lake Chew Bahir. That the Arbore language belongs within a "Macro-Somali" (now called Omo-Tana) group was first recognized by Sasse (1974). Other members of this group are Daasanach, Bayso, Rendille, Boni and the various Somali dialects. Omo-Tana itself is a major division of Lowland East Cushitic. Arbore's nearest relatives (jointly classified as Western Omo-Tana) are Daasanach and especially the probably extinct Kenyan language of the Elmolo fishermen of Lake Turkana. The sub-grouping is justified in terms of uniquely shared lexicon and certain common grammatical innovations, amongst which the generalizations of the absolute forms of the 1st person singular and 2n