A beguiler, deceiver, or seducer; someone who cheats or defrauds another, especially in love or romance.
From Old French 'guileur' (deceiver) from 'guiler' (to deceive), possibly related to 'guile' (cunning deception). Medieval and Early Modern English variant of 'guiler.'
Medieval romances are full of 'gilours' seducing maidens—the word shows how 'guile' and deception were seen as seduction tactics, making it a linguistic window into how people understood courtship and betrayal centuries ago.
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