線
せん · sen · JLPT N4 · noun
line
🧵 線 = thread (糸) + spring (泉): a thread flowing on like spring water
The left side 糸 means thread; the right side 泉 (spring) gives the reading sen. A thread that keeps running like water from a spring is a line or wire. Sound hook: sen starts like a sentence, which is a line of text.