What is "nagareru"

is a 1956 Japanese film directed by Mikio Naruse. The black-and-white drama starred Kinuyo Tanaka, Isuzu Yamada, Hideko Takamine, Mariko Okada, Haruko Sugimura, Sumiko Kurishima, Chieko Nakakita, Natsuko Kahara, Seiji Miyaguchi, Daisuke Katō, Nobuo Nakamura, Kumeko Otowa and others.