noun
Go; the board game Go
Refers specifically to the traditional East Asian strategy board game. Often called 囲碁 (いご) in full, but 碁 alone is common in compounds and casual contexts.
See also: 囲碁
週末はよく友達と碁を打つ。
I often play Go with friends on weekends.
彼は碁の腕前がプロ級だ。
His Go skills are at a professional level.
From Middle Chinese 碁 (gi), meaning the board game Go. The reading ご reflects the later borrowing from Chinese.