Fumeiyo

Fumemboku was the Rokugani term for dishonorable. The word was also associated to the art of ninjutsu, those dishonorable acts usually only performed by shinobi, such as sabotage, posioning, or assassination. This category also included the specialized martial arts that used shinobi weapons, like the shuko, shuriken, senbon, and fukiya. Whispers of Shadow and Steel, by Mari Murdock
Rokugani Language