An old name for the plant eyebright, formerly believed to improve eyesight and memory.
From Greek 'euphrosyne' meaning cheerfulness or merriment, combined with the suffix '-asy.' The plant was named for its reputed ability to cheer the eyes and mind.
Medieval herbalists called this plant 'eyebright' because they genuinely believed staring at its delicate white and yellow flowers could cure vision problems—the name itself was basically an ancient placebo that people actually wanted to believe in!
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