英语词源字典 - 在线词源网站

mockup (n.)[mockup 词源字典]: also mock-up, "model, simulation" 1919, perhaps World War I, from mock (v.) + up (adv.). The verbal phrase mock up is attested from 1911.[mockup etymology, mockup origin, 英语词源]
simulation (n.): mid-14c., "a false show, false profession," from Old French simulation "pretence" and directly from Latin simulationem (nominative simulatio) "an imitating, feigning, false show, hypocrisy," noun of action from past participle stem of simulare "imitate," from stem of similis "like" (see similar). Meaning "a model or mock-up for purposes of experiment or training" is from 1954.