According to the information obtained from elder persons, Seru was recognized as a district 90 years a go. There were no written documents and reliable oral tells about the precise meaning of the word Seru. Based on information from local elders, the name of the town Seru originated from Afaan Oromo Seera which is means rule and norm. Thus the term Seru is to indicate a place where rules and norms are discussed about. The elders commonly say Seeruun Seera qabdi in Afaan Oromo which means the town Seru got rules and norms.
