Tewahedo /təˈwɑ.h(ə).doʊ/ adjective1 •Belonging or relating to the Ethiopian Orthodox Tewahedo Church and/or the Eritrean Orthodox Tewahedo Church.For many Ethiopian Orthodox, history has forged an almost patriotic link between Tewahedo Christology and loyalty to their nation against the incursion of foreign religious ideas. — 2006