χαλκήιον

From LSJ

ἀπὸ λεπτοῦ μίτου τὸ ζῆν ἤρτηται → life hangs by a thin thread

Source

Greek (Liddell-Scott)

χαλκήιον: χαλκήιος, ἴδε ἐν λ. χαλκεῖον, -ειος.