Past tense of harpoon; struck or killed with a harpoon, especially a large sea creature.
From harpoon (from French harpon, from Old French harper meaning 'to grasp,' related to harp meaning 'to play'—possibly from the gripping action). The -ed suffix marks past tense in English.
The word 'harpoon' originally meant a grappling hook or clasping device before it became specifically a whale-hunting weapon, which shows how the same tool was reimagined for different purposes as maritime technology evolved.
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