Final answer:
The city-state in Ethiopia, which fits the given definition, is Addis Ababa.
Step-by-step explanation:
The word from the list that best fits the definition 'a city-state in Ethiopia' is Addis Ababa. Addis Ababa is the capital city and a city-state in Ethiopia, serving as the political and economic center of the country.
Learn more about Definition of a city-state in Ethiopia