級 means class
rank, grade
Threads reached to the next level: class.
On'yomi
- キュウkyuu
Kun'yomi
- None
How it's built
- 糸thread
- 及
Common words
- 中級ちゅうきゅうintermediate level
- 初級しょきゅうelementary level; beginner level
- 上級じょうきゅうupper level; upper grade
- 階級かいきゅう(social) class