Meanings
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Thesaurus
Simplified etymology
Mumps, recorded from the late 16th century, is related to the old word mum meaning “hush!” The name refers to the facial appearance caused by the disease, likened to the expression of someone pressing the lips together to keep silent.
Etymology
Recorded as a disease name in the seventeenth century, from mump, "to grimace or sulk." The name probably refers to the swollen face and painful movement of the jaw caused by the illness. The word is conventionally treated as singular despite its final -s.