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obra f. (Noun) "work," "labor"

13th cent. From Latin opera "effort," from opus "work." From Proto-Italic *opes- 'id.' From Proto-Indo-European *h3ep-os 'id.'

Romance: Western Vulgar Latin: Portuguese obra, Galician obra, Catalan obra, French œuvre, Italian opera ; Eastern Vulgar Latin: Romanian operă ; Sardinian:òbera

Italic: Oscan úpsed "he worked," úpsannúm "working," Umbrian opset "worked," Vestinian ośens "he worked," Paelignian upsaseter (subjunctive) "he worked," South Picene opesaúom "to work"

Indo-European: Germanic Old Norse afl "power," Old Saxon ōƀian "to celebrate," Old High German uoben "to practice," Old English efnen "to perform;" Indo-Iranian: Sanskrit ápas- "work," Avestan huuāpah- "doing good work;" Anatolian: Hittite ḫāppar- "business"