Plural form or third-person singular usage of 'gooder,' or potentially a British slang term for respectable or good-quality things.
Either a plural of the nonstandard adjective 'gooder,' or possibly a British slang noun formation, though this is a quite rare word with uncertain etymological roots.
This word is so obscure that even dictionary makers aren't entirely sure what it means or how common it ever was—it might be dialect-specific or historically limited, showing how many words disappear from language entirely.
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