dŭŏ-dē-vīcēsĭmus

a, um
I. ordin. num., the eighteenth, Cato and Varr. ap. Non. 100, 11 sq.: pars tauri, Plin. 2, 73, 75, § 184; Plin. Ep. 6, 20, 5; and, per tmesin: duo enim devicesima Olympiade, Plin. 35, 8, 34, § 55.
Lewis & Short
A Latin Dictionary, 1879
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