He accidentally electrocuted himself while fixing the wires and nearly died.

electrocuted 是动词 electrocute 的过去式。electrocute 由 electro-（电的）和 -cute（来自 execute，执行）组成，字面意思是"用电执行"，实际指"触电致死或严重受伤"。在句中表示"遭受电击"的意外情况。