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Added 10 October 2026

sourness

noun

In Latin: aciditas, acor Wiktionary

noun Definition from Wiktionary (CC BY-SA). More about sourness at Wordnik → Where our words come from →

The condition or quality of being sour.

Origin

From Middle English sowrenesse, sournesse, from Old English sūrnes (“sourness”), equivalent to sour + -ness.

From Wiktionary, via Kaikki.org (CC BY-SA)

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