mound for burying old brushes
A small memorial mound where worn-out calligraphy or painting brushes are respectfully interred, often found at temples or calligraphy-related sites.
In the grounds of this temple, there is a brush mound where old brushes are memorialized.
Compound of 筆 (fude, 'brush') and 塚 (tsuka, 'mound'), with rendaku voicing. The practice of building brush mounds is a Japanese cultural tradition to honor writing and painting tools.