Chapter 12

Derivatives

Cera, Cerae: wax

• Ceraceous: waxy

Mens, Mentis: mind, intellect• Mental: pertaining to the mind• Mentality: view, outlook• Demented: crazy, insane• Dementia: severe impairment or loss of

intellectual capacity

Murus, Muri: wall• Mural: large picture painted on a wall• Immure: to enclose within walls; imprison

Opus, Operis: work (the noun)• Cooperate: to work together with another or others• Inoperative: not working or functioning• Operate: to be in action; to work• Opera: a play having its text set to music• Operative: active; effective• Opus: musical or literary composition

Terra, Terrae: earth; land• Terrestrial: related to earth and its

inhabitants; composed of dirt• Terrace: flat area of ground, often one in a

series on a slope• Subterranean: living or situated under the

earth’s surface• Inter: bury• Territory: any tract of land

• Terra firma: dry land

E, Ex: out from • Exit: go out• Export: to carry out• Exhale: to breathe out• Excellence: superiority• Except: excluding• Exclaim: to shout out• Express: to show, reveal, utter, state• Extend: to stretch out

Ego: I• Ego: the “I” or self of any person• Egotistical: given to talking about oneself

Id est (i.e.): that is

Occuro, Occurrere: to run up to, meet

• Occur: to happen, take place• Occurrence: event, incident

Peto, Petere: to beg or ask for• Appetite: a desire for food; any strong

desire or craving• Appetizer: a tasty food that stimulates

the appetite• Competent: capable; fit• Compete: to be in rivalry; contend• Impetus: driving force or motive• Petition: a solemn, earnest request• Petulant: impatient or irritable

Pictor, Pictoris: painterPictura, Picturae: picturePingo, Pingere: to paint• Depict: to represent by drawing,

painting, etc.• Pictorial: of, containing, or

expressed in pictures• Pigment: coloring matter used to

make color• Picture: visible image