The quality or state of being good, wholesome, or pleasant; the characteristic of having positive or agreeable properties.
From 'goody' plus the suffix '-ness' (which converts adjectives to abstract nouns). The root 'goody' comes from Old English 'gōd,' and '-ness' is a Germanic suffix that has been creating abstract nouns in English for over a thousand years.
The '-ness' suffix is so common in English that we barely notice it, but it's one of our most powerful tools for creating abstract ideas—'happy' becomes 'happiness,' 'sad' becomes 'sadness,' so 'goody' naturally becomes 'goodyness'!
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