13 letters · 22 points in Scrabble
noun gradual healing (through rest) after sickness or injury
originBorrowed from Middle French convalescence, from Late Latin convalēscentia (“regaining of health”), from Latin convalēscēn(t-)s, present participle of convalēscere (“to become strong or well”); see convalesce.
Etymology from Wiktionary, CC BY-SA 3.0