原げん級きゅう留りゅう置ちMeaningsNoun1. repeating a school grade; grade retention; grade repetitionKanji used原original級class留hold in place置put downComposed of原げんoriginal; primitive; primary; fundamental; proto-Prefix級きゅう(school) grade; year; class; grade; rank; level; kyu (junior rank in martial arts, go, shogi, etc.)Noun留りゅう置ちdetention (usu. during investigation); imprisonment; poundage; custodyNoun