What does 寸 mean?
寸 is a Japanese noun meaning “a traditional unit of length (about three centimetres)” in English. It is written as 寸 in kanji, すん in hiragana, and sun in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
かわいそうにその子供は餓死寸前だった。
The poor child was on the verge of starvation.