Due to market changes, the company decided on a realignment of the sales team.

realignment 是由前缀 re-（表示"重新"）和名词 alignment（排列、组合）组成的复合名词。alignment 来自动词 align（使排列整齐、使一致）。realignment 字面意思是"重新排列组合"，引申为"重组、调整"。