remedy (n.)

c. 1200, "cure for a disease or disorder; means of counteracting an evil," from Anglo-French remedie, Old French remede "remedy, cure" (12c., Modern French remède) and directly from Latin remedium "a cure, remedy, medicine, antidote, that which restores health," from re-, intensive prefix (or perhaps literally, "again;" see re-), + mederi "to heal" (from PIE root *med- "take appropriate measures"). Figurative use from c. 1300.

c. 1400, from Old French remedier or directly from Latin remediare, from remedium (see remedy (n.)). Related: Remedied; remedying.