Due to public outcry, the government had to announce the withdrawal of this proposal.

withdrawal 是动词 withdraw 的名词形式。withdraw 由前缀 with-（表示“向后、离开”）和 draw（拉、拖）组成，字面意思是"向后拉"或"拉回"，引申为"撤回、撤销"的意思。 withdrawal 作为名词，表示"撤回、撤销"的动作或结果。在句中指政府"撤销提案"这一行为。