When one told me, saying, Behold, Saul is dead, thinking to have brought good tidings, I took hold of him, and slew him in Ziklag, who thought that I would have given him a reward for his tidings: A reward for his tidings - Ὡ εδει με δουναι ευαγγελια, Septuagint. Here is a proof that ευαγγελιον, evangelium or gospel, signifies the reward which the bringer of good tidings is entitled to receive. See my preface to St. Matthew's Gospel.
Related Commentaries of 2 Samuel 4:10
2 Samuel 4:10
10 When one told me, saying, Behold, Saul is dead, thinking to have brought good tidings, I took hold of him, and slew him in Ziklag, who thought that I would have given him a reward for his tidings: