かたすくに 堅州国 LinksSentence search for 堅州国Sentence search for かたすくにSentence search for 堅洲国Kanji details for 堅, 州 and 国Edit in JMdict Noun1. underworld; netherworldArchaic, See also 根の堅州国Other forms堅洲国 【かたすくに】 Discussions Log in to talk about this word.