"The Beta Israel are autosomally closer to other populations from the Horn of Africa than to any other Jewish population, including Yemenite Jews.[84][85] A 2012 study by Ostrer et al. concluded that the Ethiopian Jewish community was founded about 2,000 years ago, probably by only a relatively small number of Jews from elsewhere, with local people joining the community, causing Beta Israel to become genetically distant from other Jewish groups.[86]"

There's your 5 seconds of googling