χαλκόπυλος
From LSJ
ᾗ μήτε χλαῖνα μήτε σισύρα συμφέρει → content neither with cloak nor rug, be never satisfied, can't get no satisfaction, be hard to please
English (LSJ)
ον,
A with gates of brass or bronze, ἱρόν Hdt.1.181; χ. θεά, epith. of Athena, E.Tr.1113 (lyr.); ὕδωρ, of Castalia, because issuing from bronze spouts in the shape of lions' heads, Pi.Pae.6.7.
German (Pape)
[Seite 1331] mit ehernen oder kupfernen Thoren, Pforten, Her. 1, 181; θεά, Athene, die sonst χαλκί. οικος heißt, Eur. Troad. 1113, l. d.