信濃

First attested in Kojiki, as man'yōgana 斯那奴(しなぬ) (shinanu) and kanji 科野, which later became 信野, and finally 信濃. Further origin remains unknown.

信(しな)濃(の) • (Shinano) 

1. Shinano Province, an old province of Japan in present-day Nagano Prefecture

   Synonyms: 信濃国 (Shinano no Kuni), 信州 (Shinshū)

2. Shinano River
3. Shinano (a town in Nagano Prefecture, Japan)

• “〈信濃〉”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2025