Origin of sour

before 1000; (adj. and noun) Middle English sure, soure, Old English sūr (orig. adj.); cognate with German sauer, Dutch zuur, Old Norse sūrr; (v.) Middle English souren, derivative of the adj.

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for souring

British Dictionary definitions for souring (1 of 2)

Sour

/ (sʊə) /

noun

a variant spelling of Sur

British Dictionary definitions for souring (2 of 2)

sour

/ (ˈsaʊə) /

adjective


noun

verb

to make or become sour

Derived Forms

sourish, adjectivesourly, adverbsourness, noun

Word Origin for sour

Old English sūr; related to Old Norse sūrr, Lithuanian suras salty, Old Slavonic syrŭ wet, raw, surovu green, raw, Sanskrit surā brandy
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