Recirculate (verb)

To circulate or flow again, especially through a system or process.

Origin:

Late 19th century: from re- + circulate.

Examples:

1. The air conditioning system recirculated the air in the room.
2. The water in the pond was recirculated by the pump.
3. The company recirculated the memo to all employees.
4. The blood was recirculated through the lungs to pick up oxygen.
5. The company recirculated the product to be sold again.