A thick woolen fabric, historically worn by sailors; also spelled 'fearnought.' A garment made from this durable material.
From 'fear' and 'naught' (nothing), literally 'fear nothing,' suggesting a fabric rugged enough to protect sailors from any weather. The word dates to at least the 17th century in nautical contexts.
Sailors wore fearnaught jackets into literal storms, making the name a bold assertion of protection—it's the kind of practical naming that shows how working people invested things with almost magical properties through vocabulary alone.
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