Noun phrase
/kasˈtaɲa de ˈtje.ra/
The term "castaña de tierra" refers to a type of edible tuber that grows underground and is commonly known as "earth chestnut" in English. This term is used to describe a specific type of chestnut that does not grow on trees but rather underground, similar to how potatoes grow. It is a less common variety of chestnut and is used in certain culinary dishes, especially in regions where it is cultivated.
This term is more commonly used in written contexts or in specific culinary discussions rather than in everyday oral speech. It is not a widely known term outside of specific regions where this type of chestnut is cultivated.
There are no commonly known idiomatic expressions using the term "castaña de tierra" in Spanish.
The term "castaña de tierra" is a compound term formed by "castaña" (chestnut) and "tierra" (earth), indicating that it is a type of chestnut that grows underground.