buckwheat chaff
The outer husks of buckwheat grains, often used as pillow filling.
Buckwheat chaff pillows have good breathability.
Common mixed kana-kanji spelling; usually written in kana.
Kanji spelling is rare; the word is usually written in kana.
Full kana spelling; usually written in kana.
Compound of 蕎麦 (soba, 'buckwheat') and 殻 (kara, 'husk'), with rendaku voicing to gara.