unscroll

un- +‎ scroll

unscroll (third-person singular simple present unscrolls, present participle unscrolling, simple past and past participle unscrolled)

1. To open or unfold progressively, as a scroll does.
   • 2008 March 30, The New York Times, “Zimbabweans Vote, Desperate for Change”, in New York Times‎:

     Lines were long at the polling stations here well before morning had unscrolled its first light.