Word Origin & History
"depression, ill-humor," 1743, probably originally Scottish and northern English, earlier as a verb, "panic, fail through panic," (1737), said to be 17c. Oxford University slang, perhaps from Flem. fonck "perturbation, agitation, distress," possibly related to O.Fr. funicle "wild, mad."
"bad smell," 1620s, from dialectal Fr. funkière "smoke," from O.Fr. fungier "give off smoke," from L. fumigare "to smoke." In reference to a style of music, it is first attested 1959, a back formation from funky