sentences:  Early in his career, Fleming published a paper (Fleming 1969) that outlined an important taxonomic proposal, claiming that what had up to then been known as the "Western Cushitic" language family was not a part of Cushitic at all, but instead makes up a sixth primary branch of Afroasiatic, for which he coined the name Omotic.The proposal has since been widely but not universally accepted.He continued in the vein of solving taxonomic problems involving the languages spoken in Africa and worldwide (Fleming 1976, 1987, 1988, 1991, 2002, 2006, etc.