saliva, usually mixed with mucus from the respiratory tract, ejected from the mouth
Origin of sputumL, that which is spit out from sputus, past participle of spuere, to spit
Matter coughed up and usually ejected from the mouth, including saliva, foreign material, and substances such as mucus or phlegm, from the respiratory tract.
Origin of sputumLatin spūtum from neuter past participle of spuere to spit
From New Latin, from Latin sputum (“that which is spit out, spittle"), from spuere (“to spit").