Lewis & Short

Ĕrechtheus (trisyl.), ei, m., = Ἐρεχθεύς,

  1. I. a fabled king of Athens, father of Procris, Orithyia, Chthonia, and Creüsa, who devoted themselves to death for their country, Cic. Tusc. 1, 48, 116; id. Fin. 5, 22, 62; id. N. D. 3, 19; id. Sest. 21, 48; Ov. M. 6, 667 sq.; 7, 697; Just. 2, 6, 12.
  2. II. Derivv.
    1. A. Ĕrechthēus, a, um, adj., Erechthean, and poet. for Athenian: domus, Ov. F. 5, 204: arces, id. M. 8, 548; cf. litus, Val. Max. 6, 1, 1 ext.
    2. B. Ĕrecthī-dae, ārum, m., poet., the Athenians, Ov. M. 7, 430.
    3. C. Ĕrechthis, ĭdis, f., a daughter of Erechtheus, Orithyia, Ov. H. 16; Procris, id. M. 7, 726.