line

(string) + (spring) Same-ON
★★★★☆
15 strokes

Onyomi

SEN

Mnemonic

SEND a line made of string from here to the spring. (it is some engineers at work)

Kunyomi

せん a literal line, like what you'd draw. LAZY
★★☆☆☆

Jukugo

xxx (せん)

train line ★★★★☆ SUF

SUFFIX meaning, 'train line.' In NYC they got the A train, B train, etc. Japanese would call it A線、B線 etc

新幹線(しんかんせん)

bullet train ★★★☆☆
(new) + (trunk) + (line) = 新幹線 (bullet train)