Lewis Short
expensa (noun F) : (sc. pecunia) [expendo]
* A disbursement, expense (post-class.): neque tempus neque finem expensarum habet,Dig. 27, 10, 1: non indecores aeraria lassant expensae,Claud. II. Cons. Stil. 145.
Charlton T. Lewis, Charles Short, A Latin Dictionary