Due to budget constraints, the company had to discard the project.

discard 是动词，由前缀 dis-（表示"去除、分离"）和词根 card（原指"纸牌"）组成，原指打牌时"弃牌"，引申为"抛弃、放弃"的意思。这里指公司因预算限制而放弃项目。