Lewis & Short

Derbē, es, f., = Δέρβη, a fortified city of Lycaonia, residence of Cicero’s friend, the tyrant Antipater; a place of refuge for Christians under persecution, now Divlé, Vulg. Act. 14, 6; 16, 1.
Hence,

    1. 1. Der-bes, ētis, or Derbētes, ae, m., an inhabitant of Derbe, Cic. Fam. 13, 73, 2.
    2. 2. Derbēus, ēi, m. (Δερβαῖος), of Derbe, Gaius, Vulg. Act. 20, 4.