opus, operis, n In English: work, deed, action, performance Auf deutsch: Arbeit (f), Mühe (f), Werk (n)

From Middle French operation, from Old French operacion, from Latin operātiō, from the verb operor (“I work”), from opus, operis (“work”). Equivalent to operate +‎ -ion.

"a work, composition," especially a musical one, 1809, from Latin opus "a work, labor, exertion" (source of Italian opera, French oeuvre, Spanish obra), from Proto-Italic *opes- "work," from PIE root *op- "to work, produce in abundance."

opus work opus, operis, (neuter) · Noun Definitions for opus Wheelock's Latin Noun 1 a work, task deed, accomplishment

opus, service, pains, exertion, effort, work, labor: operam abutitur, qu i, etc., wastes labor, T.: frustra operam sumo, take pains, T.: res multae operae, Cs.: operam exigere: praebere amicis: in eā (arte) plus operae consumere, bestow upon: impendere: polliceri, S.: insumere, L.: interponere, employ: quorum operā interfectus, by whose agency, Cs.: exstabit opera peregrinationis huius, i. e. literary activity.—A service, rendering of service: esse in oper is eius societatis, in the service of the society: qui operas in scripturā pro magistro dat, serves as director: musis operas reddere, serve.—In the phrase, operam dare, to bestow care, take pains, give attention, serve, exert oneself: id dare operam, qui istum amoveas, T.: dant operam simul auspicio augurioque (i. e. student), Enn. ap. C.: dare operam funeri, attend: sermoni, listen: dilectu dat operam, is busied in, L.: dabat operam, ut Dumnorigem contineret, Cs.: dent operam consules, ne quid res p. detrimenti capiat, Cs.: id scire, T.