皇こう祖そこうそFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounfounder of an empire; imperial ancestorRefers to a divine, historical, or legendary founder of an empire, especially in East Asian contexts. Often used in formal or historical writing.皇こう祖その遺い訓くんを守まもる。Uphold the teachings left by the imperial founder.この神じん社じゃは皇こう祖そを祀まつっている。This shrine is dedicated to the imperial ancestor.