Dictionary/本因坊ほんいんぼうHoninbou本因坊 (Honinbou) is a Japanese noun meaning “Hon'inbō, Honinbo, grandmaster”.MeaningsnounHon'inbō; Honinbo; grandmasterKanji in 本因坊本book因cause坊boyRelated words本当にreally元origin本book本当truth日本Japan本気seriousness本人the person in question本物genuine article原因cause本日today因みにby the way元々originally