五十瀬いせ

noun

many rapids; many torrents

Archaic noun referring to a place with many rapids or rushing waters. Not used in modern Japanese outside of historical or literary contexts.

• 古ふるい和わ歌かに「五十い瀬せの川かわ」という表ひょう現げんが見みられる。

  The expression '五十瀬の川' (river of many rapids) appears in old waka poetry.