wallwort

noun

Definition of wallwort

  1. :  any of several plants that grow on or in walls: such as a :  danewort b :  wall pellitory c :  a stonecrop (Sedum acre) d :  wall rue

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Origin and Etymology of wallwort

alteration (influenced by 1wall) of earlier walwort danewort, from Middle English walwort, walwurt, from Old English wealhwyrt, literally, foreign herb, from Wealh Welshman, foreigner + wyrt herb, root; probably from the belief that it grew where Welsh blood was spilled


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