Lewis & Short

2. Cassĭŏpē, ēs, f., = Κασσιόπη, a town in Corcyra, now Cassopo or Cassiope, Cic. Fam. 16, 9, 1; Suet. Ner. 22; Plin. 4, 12, 19, § 52.
Called Cassĭŏpa, ae, f., Gell. 19, 1, 1.
Hence, Cassĭŏpĭcus, a, um, of Cassiope: filix, Plin. 27, 9, 55, § 80.