Old English *snyflan "to run at the nose," related to snyflung "running of the nose," snofl "nasal mucus;" see snout. Meaning "to be in an (affected) tearful state" is from 1680s. Related: Snivelled; snivelling. As a noun from 14c. Melville coined snivelization (1849). Middle English had contemptuous term snivelard (n.).
