fume (n.) Look up fume at Dictionary.com
late 14c., from Old French fum "smoke, steam, vapor, breath," from Latin fumus "smoke, steam, fume" (source of Italian fumo, Spanish humo), from PIE *dheu- (1) "dust, vapor, smoke; to rise in a cloud, to fly about (like dust)" (cognates: Sanskrit dhumah, Old Church Slavonic dymu, Lithuanian dumai, Old Prussian dumis "smoke," Middle Irish dumacha "fog," Greek thymos "spirit, mind, soul").
fume (v.) Look up fume at Dictionary.com
c.1400, "to fumigate," from Old French fumer, from Latin fumare "to smoke, steam," from fumus "smoke, steam, fume" (see fume (n.)). Figurative sense of "show anger" is first recorded 1520s. Related: Fumed; fumes; fuming.