noun
trench fever
Rare medical term for trench fever, a louse-borne disease associated with wartime conditions. Cross-referenced with 塹壕熱.
See also: 塹壕熱
五日熱は、第一次世界大戦中に塹壕で流行した病気として知られている。
Trench fever is known as a disease that was prevalent in the trenches during World War I.
Compound of 五日 (itsuka, 'five days') and 熱 (netsu, 'fever'), referring to the relapsing five-day fever pattern of trench fever.