also: したいえきせつ
noun
humorism; humoral theory
Historical term referring to the ancient Greek and medieval medical system based on four bodily humors.
四体液説は古代ギリシャの医学の基礎だった。
Humorism was the foundation of ancient Greek medicine.
中世ヨーロッパでは四体液説が広く信じられていた。
In medieval Europe, humoral theory was widely believed.
Compound of 四 (four), 体液 (bodily fluid), and 説 (theory). The term is a direct translation of the Western concept of humorism.