Basa Jepang (日本語) ento basa ané kaanggon ring Asia kangin olih 128 yuta diri, paling liuné ring Jepang tur suba dadi basa nasional Jepang. Basa Jepang masoroh basa-basa Japonik ajak basa-basa ané kaanggon ring Kapuloan Ryukyu,[1] tur pakadanganné ajak basa-basa lénan tusing ngilis.[2]
↑Shimabukuro, Moriyo (2007), The Accentual History of the Japanese and Ryukyuan Languages: a Reconstruction, London: Global Oriental, ISBN 978-1-901903-63-8
↑Kindaichi, Haruhiko (2011-12-20). Japanese Language: Learn the Fascinating History and Evolution of the Language Along With Many Useful Japanese Grammar Points. Tuttle Publishing. ISBN 9781462902668.