Go problem; tsumego
A composed Go problem, typically a life-and-death or endgame puzzle used for practice.
Every morning, I solve a Go problem before going to work.
Variant spelling with okurigana; less common but still seen.
Compound of 詰め (tsume, 'checkmate' or 'pinning down') and 碁 (go, the board game). The term is analogous to 詰将棋 (tsumeshōgi) in shogi.