Japanese language
From Memory Alpha, the free Star Trek reference.
The Japanese language was an Earth language spoken by the Japanese people of the archipelago of Japan. Hoshi Sato was fluent in Japanese.
Hachidan kiritsu (八段規律) is a Japanese term which means "eighth degree rule." It describes an illegal move in the sport of anbo-jyutsu. (TNG: "The Icarus Factor")
