noun
blue eyes and red hair; Westerner
A yojijukugo used historically to describe Westerners by their physical features. Now rare and often carries an old-fashioned or literary tone.
幕末の日本では、碧眼紅毛の外国人は珍しかった。
In Japan at the end of the Edo period, Westerners with blue eyes and red hair were rare.
A yojijukugo composed of 碧 (blue/green), 眼 (eye), 紅 (crimson/red), and 毛 (hair). The exact historical origin is uncertain, but it reflects a traditional Japanese perception of Western physical features.