- appetence (n.)
- "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.)).
- appetency
- "A longing or desire", Early 17th century: from Latin appetentia, from appetere 'seek after' (see appetite).