Lewis & Short

Thȳni, ōrum, m., = Θυνοί, a Thracian people, who emigrated to Bithynia, Plin. 4, 11, 18, § 41; 5, 32, 43, § 150; Cat. 25, 7.
Hence,

  1. A. Thȳnus, a, um, adj., of or belonging to the Thyni, Thynian; poet. for Bithynian: merx, Hor. C. 3, 7, 3 (for which: Bithyna negotia, id. Ep. 1, 6, 33).
  2. B. Thȳ-nĭa, ae, f., the seat of the Thyni in Bithynia, Cat. 31, 5.
  3. C. Thȳnĭăcus, a, um, adj., Thyniac: sinus, i. e. of the Euxine in Thrace, Ov. Tr. 1, 10, 35.
  4. D. Thȳnĭăs, ădis, adj. f., Thynian; poet. for Bithynian: grata domus Nymphis umida Thyniasin (dat. Graec.), Prop. 1, 20, 34 (cf. id. 1, 20, 12, Dryasin, and id. 1, 20, 32, Hamadryasin).
  5. E. Thȳnĭcus, a, um, adj., Bithynian: anulus, Isid. Orig. 19, 32: lima, Anthol. Lat. 2, p. 412 Burm.