appetence (n.)youdaoicibaDictYouDict[appetence 词源字典]
"strong desire," c. 1600, from French appétence "desire," from Latin appetentia "longing after something," noun of state from appetentem (nominative appetens), present participle of appetere, from ad "to" (see ad-) + petere "to seek, request" (see petition (n.)).[appetence etymology, appetence origin, 英语词源]