Lewis & Short

2. Lȳsĭmăchīa, ae, f., or Lȳsĭmă-chēa, = Λυσιμάχεια, a city in Thrace, now Examili, Mela, 2, 2, 6; Plin. 4, 11, 18, § 48; Liv. 32, 34, 6 al.
Hence, Lȳsĭmăchĭ-enses, ĭum, m., the Lysimachians, Liv. 33, 38, 12.