The world, realm, or community of dandies; the cultural sphere associated with fashionable, affected, and excessively well-dressed people.
From 'dandy' plus the suffix '-dom' (from Old English, meaning 'state, condition, or domain'), similar to 'kingdom' or 'freedom.' Common in 19th-century literature.
This word perfectly captures how 18th and 19th-century England actually had a whole subculture of men obsessed with perfect clothing—Dandydom had codes, values, and a hierarchy, not unlike modern fashion subcultures.
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