Covered with, resembling, or containing flour; having the texture or appearance of flour.
From 'flour' plus the adjective suffix '-y'; emerged in English around the 16th century to describe things that look dusty, powdery, or are coated with flour.
Your hands get that floury, dusty coating when you bake, and that same word describes plant pollen and certain insects' wings—all powdery textures that our ancestors lumped together as 'flour-like.'
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