noun
Night on the Galactic Railroad; Milky Way Railroad
Title of a classic Japanese fantasy novel by Kenji Miyazawa, often studied in schools.
夏休みの読書感想文で、『銀河鉄道の夜』を選んだ。
For my summer book report, I chose Night on the Galactic Railroad.
The title is a proper noun from Kenji Miyazawa's novel; no further etymology is specified.