One of the short hairs that grow along the edge of your eyelid and help protect your eye.
From 'eye' (Old English 'ēag') and 'lash' (possibly from Old English 'læscan' or related to Scandinavian words for whip). Combined, it literally means the whip-like hairs of the eye.
Eyelashes are sophisticated sensory organs, not just beauty features—they're connected to nerve endings that detect air movement and trigger automatic eye-closing reflexes faster than you can think, protecting your eye thousands of times per day!
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