διήλθομεν διὰ πυρὸς καὶ ὕδατος → we went through fire and water, we have gone through fire and water
ῖγος, and μάστις, dat. μάστῖ, acc. μάστῖγα, μάστιν: whip, scourge; fig., Διὸς μάστῖγι, Μ 3, Il. 13.812.