Κυκλώπειος
From LSJ
Καὶ τῶν λεγόντων εὖ καλὸν τὸ μανθάνειν → It is a fine thing to learn from those who speak well
English (LSJ)
α, ον (in Eust. 1634.35, al., ος, ον), (Κύκλωψ) Cyclopean, used of prehistoric architecture attributed to the Cyclopes, applied to Mycenae, E.El.1158 (lyr.); to ancient buildings near Nauplia, Str.8.6.2. 2 prov., κ. βίος uncivilized life, Id.11.4.3, Max.Tyr.21.7 (v.l. -ιος).