"Εβραίους" refers to the Book of Hebrews, a letter in the New Testament of the Christian Bible. Traditionally attributed to the Apostle Paul, it addresses early Christians, emphasizing the superiority of Christ over Moses and the Old Testament sacrificial system. The text encourages believers to maintain their faith amid persecution. The Book of Hebrews highlights themes such as faith, perseverance, and the new covenant established by Jesus. It also discusses the role of angels and the importance of community support among believers. Overall, it serves as a theological foundation for understanding the relationship between Judaism and Christianity.