snuff (v.2)youdaoicibaDictYouDict[snuff 词源字典]
"draw in through the nose," 1520s, from Dutch or Flemish snuffen "to sniff, snuff," related to Dutch snuiven "to sniff," from Proto-Germanic *snuf- (cognates: Middle High German snupfe, German Schnupfen "head-cold"), imitative of the sound of drawing air through the nose (see snout). Related: Snuffed; snuffing.[snuff etymology, snuff origin, 英语词源]