Comfrey is a herb that is used to make drinks and medicines.
comfrey in British English
(ˈkʌmfrɪ)
noun
any hairy Eurasian boraginaceous plant of the genus Symphytum, having blue, purplish-pink, or white flowers
Word origin
C15: from Old French cunfirie, from Latin conferva water plant; see conferva
comfrey in American English
(ˈkʌmfri)
nounWord forms: pluralˈcomfreys
any of a genus (Symphytum) of European plants of the borage family, with rough, hairy leaves and small blue, purplish, or yellow flowers, sometimes used for forage or ornament
Word 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