Meanings
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Thesaurus
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Simplified etymology
Hackles are the long neck feathers of a fighting cock or the hairs on top of a dog’s neck, which rise when the animal is aggressive or excited. In the Middle Ages, a hackle or heckle was also an implement with parallel steel pins used to split and straighten flax fibres. The word goes back to an ancient root related to hook. The expression make someone’s hackles rise developed in the mid-19th century.
Etymology
The feather sense descends from Middle English hackle and Old English hacele 'cloak, mantle,' though its relationship to the homonymous flax comb is uncertain. The comb word is Germanic, cognate with Dutch hekel and German Hechel, from a root associated with hooks or teeth.