本因坊 ほんいんぼう Meanings Noun Hon'inbō; Honinbo; grandmaster See also: 本因坊戦 (ほんいんぼうせん). Kanji 本 origin. Read as ホン. 因 cause. Read as イン. 坊 boy. Read as ボウ. Words containing 本因坊 本因坊戦 (ほんいんぼうせん) Hon'inbō Tournament (annual professional go competition) Word lists Go Jinuma: Japanese Dictionary · Word lists