CONVALESCE Meaning of CONVALESCE in English [ ˌkɒnvə'lɛs ]■ verb gradually recover one's health after an illness or medical treatment.OriginC15: from L. ~re , from con- 'altogether' + valescere 'grow strong'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004