D / dŭcentēsĭma
noun

dŭcentēsĭma

gen. dŭcentēsĭmae · gender feminine · decl. 1st
(sc. pars) [ducenti]
the two hundredth part; one half per cent
the two hundredth part, as a tax; one half per cent., Tac. A. 2, 42; Suet. Calig. 16.