Ethiopia is a country in Africa and Ethiopian nationalism means people from Ethiopia love their country very much and feel proud to be Ethiopian.
Just like how you feel proud to be a member of your family or school, Ethiopians feel proud to be a part of their Ethiopian family. They feel a sense of belonging to their country and they want to protect it and make it better. It's like being proud of your home and wanting to keep it clean and safe.
Ethiopian nationalists believe in their country's traditions, culture, and history, and they want everyone to know about it. They want to preserve the things that make Ethiopia special, like its food, music, and language.
They also believe that all Ethiopians should be treated equally, no matter what their background is. They want to make sure that every Ethiopian has equal opportunities for education, healthcare, and a good life.
In summary, Ethiopian nationalism means people from Ethiopia love their country and want to make it a better place for everyone while preserving its culture and history.