an implement for snuffing out candles, consisting either of a scissorlike device with two broad flat blades or of a cone at the end of a handle
Word origin
[1615–25; dial. dout (v.) (contr. of do1 + out; cf. doff, don2) + -er1]This word is first recorded in the period 1615–25. Other words that entered Englishat around the same time include: evolution, foliation, oral, swamp, trigger-er is a suffix used in forming nouns designating persons from the object of their occupationor labor (hatter; tiler; tinner; moonshiner), or from their place of origin or abode (Icelander; southerner; villager), or designating either persons or things from some special characteristic or circumstance(six-footer; three-master; teetotaler; fiver; tenner)