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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.'
Indo-European
Romance
Portuguese obra, Galician obra, Catalan obra, French œuvre, Italian opera, Romanian operă, Sardinianòbera
Italic
Oscan úpsed "he worked," úpsannúm "working," Umbrian opset "worked," Vestinian ośens "he worked," Paelignian upsaseter (subjunctive) "he worked," South Picene opesaúom "to work"
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"