unfold
un- + fold
the story unfolds.
verb
open or spread out from a folded position:
〈折りたたんだ物〉を広げる, 開く(↔ fold1)
e.g. with object : he unfolded the map and laid it out on the table
〈風景などが〉見えてくる, 広がる.
e.g. no object : the white flowers were just starting to unfold.
with object reveal or disclose (thoughts or information):
｟かたく｠ (徐々に) «…に» 〈計画･秘密など〉を明らかにする, 打ち明ける(disclose) «to» ;
e.g. Miss Eva unfolded her secret exploits to Mattie.
no object (of information or a sequence of events) be revealed or disclosed:
〖～ itself〗 〈話･計画などが〉展開［発展］する, 明らかになる
e.g. there was a fascinating scene unfolding before me.
ORIGIN
Old English unfealdan (see un-2, fold1).