To pay out or distribute money, especially as reimbursement.
From Old French 'desbourser,' combining 'des-' (out of) with 'bourse' (purse or treasury). Related to 'disburse,' this variant is archaic and less commonly used in modern English.
Medieval treasurers used to 'deburse' money from the royal purse—the word literally means taking funds out of a purse, which is exactly what happens when companies reimburse expenses.
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