Etymology
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saliva (n.)

"spittle, the secretions of the salivary glands of the mouth," early 15c. (Chauliac), salive, from Old French salive and directly from Latin saliva "spittle" (from Proto-Italic *sal-iwo- "dirty yellow," from PIE root *sal- (2) "dirty; gray; "see sallow (adj.)). Related: Salival.

updated on December 03, 2021

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Definitions of saliva from WordNet

saliva (n.)
a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches;
Synonyms: spit / spittle
From wordnet.princeton.edu, not affiliated with etymonline.