The study and interpretation of the hand's characteristics, including shape, size, and lines, to determine personality or health.
From Greek χείρ (cheír) 'hand' and γνώμη (gnṓmē) 'knowledge' or 'judgment,' meaning 'knowledge of the hand.'
Before modern psychology, cheirognomy was a serious practice—people believed you could read someone's entire character from their hands, combining anatomy with fortune-telling.
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