A small helmet or casque; an archaic or variant form referring to a light headpiece or a small decorative helmet.
French diminutive of casque with -et suffix, used in Middle English and Old French to describe smaller or lighter versions of helmets.
The diminutive 'casquet' reveals that medieval warriors had surprisingly specialized equipment — not every fighter wore a full casque, so they needed words for lighter, more practical headgear!
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