ac-cūdo — Lewis & Short
ac-cūdo, ĕre, 3, v. a., lit.
I to strike or stamp upon, to coin (of gold; cf. cudo); hence, metaph., to coin further, to add to a sum of money:
tris minas accudere etiam possum, et triginta sient,Plaut. Merc. 2, 3, 96.