noun pl. comfreys
Origin: ME & OFr confirie < VL *confervia, comfrey, for L conferva, a water plant < confervere, to heal, grow together, orig., to seethe, boil together < com-, with + fervere, to boil (see fervent): from use in medicine to congeal wounds
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noun pl. com·freys
Origin: Middle English comferi, from Old French cumfirie, from Vulgar Latin *cōnfervia, from Latin cōnferva, from cōnfervēre, to boil together : com-, com- + fervēre, to boil; see fervent.