六調子
ろくちょうし
six main gagaku modes (equivalent to A Dorian, B Dorian, E Dorian, D Mixolydian, E Mixolydian and G Mixolydian)
六段の調べ is read as ろくだんのしらべ (rokudan no shirabe) and means rokudan (name of a koto composition).
ろくだんのしらべ
rokudan no shirabe
ろくちょうし
six main gagaku modes (equivalent to A Dorian, B Dorian, E Dorian, D Mixolydian, E Mixolydian and G Mixolydian)
ろくじゅうろくぶ
Buddhist pilgrim (carrying 66 copies of the Lotus Sutra to be left at sites across Japan)
ろくこうよんみん
land-tax rate during the Edo period (the government took 60 percent of the year's rice crop and the farmers kept 40 percent)
ろくさんせい
six-three system of education (six years of elementary school, followed by three years of junior high school)
ろくさんさんよんせい
six-three-three-four system of education (six years of elementary school, three years each of junior and senior high school and four years of university)