他山 たざん Meanings Noun another mountain; another temple Kanji 他 other. Read as タ. 山 mountain. Read as サン. Words containing 他山 他山の石 (たざんのいし) lesson learned from someone's else mistake 他山の石以て玉を攻むべし (たざんのいしもってたまをおさむべし) one should learn from other's mistakes Jinuma: Japanese Dictionary · Word lists