The kanji 寸 primarily represents a unit of measurement. It signifies a very small unit of length, similar to an inch in English, but historically smaller. It can also imply a small amount or degree.

・On-yomi (音読み): スン (sun) ・Kun-yomi (訓読み): None, but it is often used as a unit of measurement.

⚫︎ 一寸 (issun) Translation: One 寸 (a small unit of length). ⚫︎ 寸前 (sunzen) Translation: Just before; on the verge of. ⚫︎ 尺寸 (shakusui) Translation: Size; dimensions; a short distance.

⚫︎ The kanji 寸 is a pictograph. ⚫︎ It originally depicted a hand with a line indicating a measurement. ⚫︎ The line represented the distance between the thumb and the first knuckle, a basic unit of length. ⚫︎ Over time, the form simplified.