Pain or discomfort in the lacrimal gland (the gland that produces tears).
From Greek 'dakryon' (tear) + 'aden' (gland) + '-algia' (pain). The term combines ancient Greek components used in medical terminology to specify the exact location and type of pain.
Doctors use this word when your tear gland hurts, which can happen from infections or blocked ducts—but most people just say 'my eye hurts!' showing how specialized medical language can be.
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