根の堅州国 ねのかたすくに Also written 根の堅洲国 Meanings Noun underworld; netherworld See also: 根の国 (ねのくに). Kanji 根 root. Read as ね. 堅 firm. Read as かたい. 州 state 国 country. Read as くに. Jinuma: Japanese Dictionary · Word lists