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Origin and history of sputum

sputum(n.)

"that which is brought up or expectorated from the lungs," especially in certain diseased states, 1690s, from Latin sputum "spittle," noun use of neuter past participle of spuere "to spit" (see spew (v.)).

Entries linking to sputum

Middle English speuen, "vomit, throw up, spit or cough up," also figurative, from Old English spiwan "spew, spit," from Proto-Germanic *spiewan- (source also of Old Saxon spiwan, Old Norse spyja, Old Frisian spiwa, Middle Dutch spijen, Dutch spuwen, Old High German spiwan, German speien, Gothic spiewan "to spit"), probably of imitative origin (compare Latin spuere; Greek ptuein, Doric psyttein; Old Church Slavonic pljuja, Russian plevati; Lithuanian spiauti).

Also in Old English as a weak verb, speowan, spiwian; the weak form predominated from Middle English. The general sense of "eject or cast out as if by vomiting" is by 1590s. The intransitive sense is by 1660s. Related: Spewed; spewing.

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