Taking into account that one reading of a character never conveniently refers to one thing and that a character has a variety of meanings, eirei can be seen as a perfect word.
文字は、決して都合よく一つの読みで意味を指すわけでなく、色々な意味を併せ持つと考えなくてはならない事を思うと英霊とは、言い得て妙な言葉だと見ることができる。