He said to himself "'Yes, it was me, it was because of me' and a spurt of triumph went through him."

triumph 是名词，意思是"胜利、成功"，指在竞争或斗争中取得的重大成就。这个词来自拉丁语 triumphus（凯旋），常用来形容战胜困难后获得的强烈满足感或自豪感。 在句中，triumph 指主人公因为意识到自己的重要性而产生的那种"胜利般的"强烈喜悦情绪。