KANJI GUIDE
菩薩 is a bodhisattva; 菩提 is awakening. Borrowed purely for its sound.
The only one. 唯一 is unique; 唯我独尊 is standing alone above all.
The character in 武士道, the way of the samurai, and in 柔道. Read dō, and the head of it is taken for do.