“The Ethiopians say that the Egyptians are one of their colonies which was brought into Egypt by Osiris. They add that from them, as from their authors and ancestors, the Egyptians get most of their laws. It is from them that the Egyptians have learned to honor kings as gods; sculpture and writing were invented by the Ethiopians. The Ethiopians site evidence that they are more ancient than the Egyptians, but it is useless to report that here"

Diodorus of Sicily, 1st Century BC

The term "Ethiopia" was used more broadly by ancient Greek and Roman geographers to refer to the lands south of Egypt, encompassing areas in present-day Sudan & South Sudan…

The kingdom located in the area we now know as Ethiopia was often referred to as "Abyssinia"