D / Dāci
noun

Dāci

gen. ōrum · gender masculine · decl. 2nd
the Dacians; a Dacian
the Dacians, a famous warlike people, akin to the Thracians. They occupied what is now Upper Hungary, Transylvania, Moldavia, Wallachia, Bessarabia. Subdued by Trajan, they received Roman civilization, and thence retain in part the name Rumanians, Plin. 4, 12, 25; Caes. B. G. 6, 25; Tac. G. 1; id. H. 1, 79; 3, 46; Suet. Caes. 44; id. Aug. 8; Flor. 4, 12, 3; Hor. S. 2, 6, 53 et saep. In sing., Dācus, i, m., a Dacian (usually collect.), Verg. G. 2, 497; cf. Voss. ad loc.; Hor. Od. 1, 35, 9; 2, 20, 18; Tac. H. 1, 2 al.
Hence, hence
Dacia; Dacia Aureliani; Dacia Ripensis
Dācĭa, ae, f., Δακία, the province Dacia, Tac. Agr. 41; Flor. 3, 4, 6; Oros. 1, 2; Jornand. Regn. Succ. p. 59, 52 al.: DACIA. APVLENSIS. (of the colony Apulum or Alba Julia, near Carlsburg), Inscr. Orell. no. 3888: (DECIO) RESTITVTORI DACIARVM, ib. no. 991. A part of it bordering on the Danube was Dacia Aureliani, Eutrop. 9, 15; and Dacia Ripensis, Jornand. Regn. Succ. p. 59, 51.—*
Dacian as adjective
Dācus, a, um, adj., Dacian: proelia, Stat. S. 4, 2, 66 (written Dacius, Albin. Cons. ad Liv. 387).—
Dacian; a piece of gold coined under Domitian, the conqueror of the Dacians as adjective
Dācĭcus, a, um, adj., Dacian: arma, Claud. VI. Cons. Honor. 335: rura, Sid. Carm. 1, 272. As subst., Da-cicus, i, m. (sc. nummus), a piece of gold coined under Domitian, the conqueror of the Dacians (Suet. Dom. 6), Juv. 6, 205.—
Dacian as adjective
Dāciscus, a, um, adj., Dacian, imperium, Lact. de Mort. Pers. 27, 8.