noun
brushwood color
Historical term for a traditional Japanese color, a brownish-yellow dye made from brushwood (柴/桾).
柴染は、古代の染色技法の一つとして知られている。
Brushwood color is known as one of the ancient dyeing techniques.
From 柴 (ふし, brushwood) + 染 (そめ, dyeing). The exact historical derivation is uncertain, but the term refers to a dye color obtained from brushwood.