to merit, be qualified for, or have a claim to (reward, assistance, punishment, etc.) because of actions, qualities, or situation: to deserve exile; to deserve charity; a theory that deserves consideration.
verb (used without object)
to be worthy of, qualified for, or have a claim to reward, punishment, recompense, etc.: to reward him as he deserves; an idea deserving of study.
Origin: 1250–1300;Middle Englishdeserven < Anglo-French,Old Frenchdeservir,Latindēservīre to devote oneself to the service of, equivalent to dē-de- + servīre to serve
pre·de·serve, verb (used with object), pre·de·served, pre·de·serv·ing.
late 13c., from O.Fr. deservir, from L. deservire "serve well," from de- "completely" + servire "to serve." From "be entitled to because of good service" (s sense found in L.L.), meaning generalized c.1300 to "be worthy of."