Keihin-Tōhoku Line
A JR East railway line running between Tokyo and Yokohama, connecting the Keihin (Tokyo-Yokohama) and Tōhoku regions. Used as a proper noun for the train service.
I go from Tokyo to Yokohama on the Keihin-Tōhoku Line.
Compound of 京 (Kei, abbreviation for Tokyo), 浜 (hin, from Yokohama), 東北 (Tōhoku, the northeastern region), and 線 (sen, line). The name reflects the line's route connecting the Tokyo-Yokohama area with the Tōhoku region.