説明書

A younger brother, and anyone junior to you. In 弟子 it means a disciple.

Half of 瑠璃, the deep blue stone. On its own it is used mostly for its sound and its colour.

Refined without appearing to try. 優雅 is elegant; 風雅 is tasteful.

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.