seventh dan
Used in martial arts, go, shogi, and other traditional ranking systems to denote the seventh level of mastery.
He earned the seventh dan in judo.
囲碁の七段は非常に高い段位だ。
The seventh dan in go is a very high rank.
Compound of 七 (seven) and 段 (dan, grade). The dan ranking system originated in go during the Edo period and was later adopted by martial arts.