The withdrawal of financial support has severely impacted the research project.

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"，引申为"撤回、取回"。 withdrawal 作为名词，表示"撤回、撤销"的行为或过程，在这里指"财政支持的撤销"。