Word(お)祖じ父いさん(o)ziisanMeaninggrandfather; old manPart of speechnounPronunciationCourseJapaneseLessonMore family membersBreakdown of (o)ziisanfather父ancestor祖You now exist because your ancestors displayed the wisdom to have another one.Usages of (o)ziisanお祖じ父いさん の 家いえ は 町まち の 中ちゅう心しん に あります。oziisan no ie ha mati no tyuusin ni arimasu.Grandfather's house is in the center of town.