Resembling, containing, or characteristic of a beach; having the quality or appearance of a sandy shore.
From beach + -y (Old English '-ig' suffix forming adjectives). This adjective formation pattern has been used for centuries to turn nouns into descriptive words.
'Beachy' waves became a major hair trend because they mimic the texture salt water and sand create naturally—so people pay hundreds at salons to achieve what free ocean time gives you for nothing!
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