The action of rolling over, or in finance, the reinvestment of funds from a maturing investment into a new investment of the same type.
Compound word from 'roll' (from Old French 'roler') + 'over' (from Old English 'ofer'). The financial sense developed in the mid-20th century, metaphorically extending the physical action of rolling something over to the concept of moving investments forward.
The financial meaning of 'rollover' brilliantly captures the continuous motion of money - just like a ball rolling over and over, investments keep moving from one vehicle to another without stopping. This metaphor makes complex financial concepts more intuitive by connecting them to simple physical actions we can visualize.
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