sfumato adj.

Proto-Indo-European root meaning "dust, vapor, smoke." 

It forms all or part of: enthymeme; fewmet; fume; fumigation; funk; perfume; sfumato; typhoid; typhoon; typhus.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit dhuma- "smoke, fume;" Greek thymos "spirit, courage, anger," thymiao "fumigate," thymin "incense;" Latin fumus "smoke, steam, fume;" Lithuanian dūmai "smoke" (plural); Old Prussian dumis "smoke;" Old Church Slavonic dymu "smoke;" Middle Irish dumacha "fog;" perhaps Old High German toum "steam, vapor."

Italian police officer, 1660s, from Italian, "police officer, constable" (plural sbirri), from Late Latin birrus "red," from Greek pyrros "red," literally "fire-colored," from pyr "fire" (from PIE root *paewr- "fire"). With unetymological prefix (compare Spanish esbirro "henchman, minion," also Italian sbarra "barrier, cross-bar," etc.). Probably so called from the original color of the uniform.

musical instruction, "with sudden energy or impulse" (especially applied to a single tone or chord made prominent), 1801, from Italian sforzando, literally "forced, pressed," present participle of sforza "to force," from Vulgar Latin *exfortiare "to show strength" (see effort).