Ethiopianism
/ˌiːθɪˈəʊpɪənɪz(ə)m/noun
1Originally and chiefly US. The fact or practice of performing as a blackface minstrel; performance or entertainment of this type. Compare Ethiopian. Now historical and rare.
2 South African. The religious and political principles of the Ethiopian Church; the Ethiopian movement.
Origin
Late 18th century (in an earlier sense). From Ethiopian + -ism.