comfrey
/ˈkɒmfrɪ/Definitions
1. noun
a perennial herb of the borage family, with edible leaves and a deep taproot, used in herbal medicine and as a fertilizer
“The gardener used comfrey to make a liquid fertilizer for the garden.”
2. verb
to apply comfrey to a wound or sore, especially as a traditional remedy
“The nurse comfreyed the cut before bandaging it.”