Origin of voilàFr, see there
Origin of voilaFrench voi second person sing. imperative of voir to see ( from Old French; see voyeur . ) là there ( from Old French la, lai ) ( probably from Latin illāc by that way ) ( illā ) ( ablative sing. feminine of ille that ; see al-1 in Indo-European roots.) ( -ce deictic particle )
From the French voilÃ .