Achilles heel

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See also: Achilles' heel


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From the Greek hero Achilles, whom according to legend his mother held by the heel when she dipped him in the River Styx, making him invulnerable everywhere except on his heel. He was later killed by an arrow wound to the heel.

Although the legend is ancient, the phrase only entered English in the 19th century. It is used as a metaphor for vulnerability, as in the earliest citation, an essay by Samuel Taylor Coleridge in The Friend; a literary, moral and political weekly paper, 1810: "Ireland, that vulnerable heel of the British Achilles!"



Achilles heel (plural Achilles heels)

  1. A vulnerability in an otherwise strong situation.
  2. (anatomy) The Achilles' tendon, the tendo Achillis.


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