Cure
Middle English (as a noun): from Old French curer (verb), cure (noun), both from Latin curare ‘take care of’, from cura ‘care’. The original noun senses were ‘care, concern, responsibility’, in particular spiritual care (hence cure (sense 3 of the noun)). In late Middle English the senses ‘medical care’ and ‘successful medical treatment’ arose, and hence ‘remedy’.
wiktionary
From Middle English cure, borrowed from Old French cure(“care, cure, healing, cure of souls”), from Latin cura(“care, medical attendance, cure”). Displaced native Old English hǣlu.
From Middle English curen, from Old French curer, from Latin cūrāre. Partially displaced Old English ġehǣlan, whence Modern English heal.
etymonline
cure (n.1)
c. 1300, "care, heed," from Latin cura "care, concern, trouble," with many figurative extensions over time such as "study; administration; office of a parish priest; a mistress," and also "means of healing, successful remedial treatment of a disease" (late 14c.), from Old Latin coira-, a noun of unknown origin. Meaning "medical care" is late 14c.
cure (n.2)
"parish priest in France or a French country," from French curé (13c.), from Medieval Latin curatus "one responsible for the care (of souls)," from Latin curatus, past participle of curare "to take care of" (see cure (v.) ). Also compare curate (n.).
cure (v.)
late 14c., "to restore to health or a sound state," from Old French curer and directly from Latin curare "take care of," hence, in medical language, "treat medically, cure" (see cure (n.1)). In reference to fish, pork, etc., "prepare for preservation by drying, salting, etc.," attested by 1743. Related: Cured; curing.
Most words for "cure, heal" in European languages originally applied to the person being treated but now can be used with reference to the disease. Relatively few show an ancient connection to words for "physician;" typically they are connected instead to words for "make whole" or "tend to" or even "conjurer." French guérir (with Italian guarir, Old Spanish guarir) is from a Germanic verb stem also found in in Gothic warjan, Old English wearian "ward off, prevent, defend" (see warrant (n.)).
