九きゅう泉せんきゅうせんMeanings1nounHades; the netherworld; the realm of the deadA literary and somewhat archaic term for the underworld or land of the dead, often used in classical or poetic contexts. Not a common everyday word.九きゅう泉せんの下もとで彼かれの魂たましいは安やすらかに眠ねむっている。