febrifuge
n.
"medicine that reduces fever," 1680s, from French fébrifuge, literally "driving fever away," from Latin febris (see fever) + fugare "cause to flee, put to flight, drive off, chase away, rout," also used in reference to banishment and exile, derived verb from fuga "flight," from PIE *bhug-a-, suffixed form of root *bheug- (1) "to flee" (see fugitive, adj.).
〔李〕[febr;-ifugen.] n.退热药 a.退热的 ←febr (L febris)=fever 发烧
〔李〕n. 退热剂 [febri- =fever] ←-fuge [L] =sth.that causes...to flee表示“使⋯逃逸之物”
〔蒋〕[febri热，fug散，’散热”] 解热剂，退热药