noun
traditional toothbrush made from a frayed willow twig
Historical term for an Edo-period toothbrush: a willow stick with one end beaten into a brush-like tuft. Used with tooth-blackening powder or plain water.
江戸時代には房楊枝で歯を磨いた。
In the Edo period, people brushed their teeth with a fusayōji.
博物館に房楊枝が展示されている
A fusayōji is on display at the museum.
Compound of 房 (ふさ, 'tassel, tuft') and 楊枝 (ようじ, 'toothpick'), referring to the frayed, brush-like end of the twig.