What does 濁す mean?
濁す is a Japanese verb meaning “to make muddy” in English. It can also be translated as “to make ambiguous” depending on context. It is written as 濁す in kanji, にごす in hiragana, and nigosu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
水面から飛び立つ鳥は努めてあとを濁さぬようにする。
A bird flying out of the water is careful not to cause turbulence.