- 電線 — electric wire
- 新幹線 — bullet train
- 直線 — straight line
- 光線 — light ray
- 線路 — railway track
- 配線 — wiring
More examples - tap to expand
- 沿線 — along a railway line
- 前線 — front line
- 曲線 — curve
- 点線 — dotted line
- 無線 — wireless, radio
線 combines 糸 (thread) and 泉 (spring/source sound セン), suggesting a long and continuous thread. Over time, it came to mean lines, routes, wires, and even boundaries.
