武士道

[ noun ]
traditional code of the Japanese samurai which stressed courage and loyalty and self-discipline and simple living
<noun.communication>

Bushido \Bu"shi`do`\ (b[=oo]"sh[=e]`d[=o]`), n. [Jap. bu
military + shi knight + d[=o] way, doctrine, principle.]
The unwritten code of moral principles regulating the actions
of the Japanese knighthood, or Samurai; the chivalry of
Japan.

Unformulated, Bushido was and still is the animating
spirit, the motor force of our country. --Inazo
Nitob['e].
[Webster 1913 Suppl.]