The tech company is re-inventing itself by completely redesigning its product line.

re-inventing 是由前缀 re-（表示“重新”）和动词 invent（发明、创造）组成的复合动词。re- 表示“再次”，invent 表示“发明、创造”，合起来字面意思是“重新发明”，引申为“彻底革新、重塑”。