What does 澄む mean?
澄む is a Japanese verb meaning “to clear (e.g., weather), to become transparent” in English. It can also be translated as “to resonate clearly (e.g. voice), to become serene, to pronounce as an unvoiced sound” depending on context. It is written as 澄む in kanji, すむ in hiragana, and sumu in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
水が底まで澄んでいる。
The water is clear to the bottom.