This is the 9022nd most frequent Japanese word.
浅沼
"浅沼" (Asanuma) is a Japanese surname, meaning "shallow swamp."
This usage of '浅沼' represents a proper noun, specifically a surname, and serves as the subject in the sentence.
浅沼さんは近所に住んでいます。
Mr. Asanuma lives nearby.
Here, '浅沼' combines '浅' (shallow) and '沼' (pond) to describe a physical feature; it modifies the noun '池' (pond) in the sentence.
この池の浅沼には魚がいません。
In the shallow pond, there are no fish.
In this sentence, '浅沼' again describes water bodies that are shallow, depicting the nature of a geographical location.