Adjective: having a prominent or impressive beard; noun: an informal term for a bearded person, used similarly to 'beardie'.
From Middle English 'berd' (beard) with the descriptive suffix '-y' (characterized by), making it an adjective version of the noun.
English's '-y' suffix is magical—it transforms any noun into an adjective (beard→beardy, fuzz→fuzzy, hope→hopey), and we barely notice we're doing it!
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