OMOTIC Meaning of OMOTIC in English [ əʊ'mɒtɪk ]■ noun a subfamily of Afro-Asiatic languages spoken in Ethiopia. ■ adjective denoting or belonging to ~.Origin1970s: from Omo , a river in SW Ethiopia, + -otic . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004