πωρόω pōróō

Greek · Strong's G4456 · used 5 times in 5 verses

Meaning

to petrify, i.e. (figuratively) to indurate (render stupid or callous)

In the King James Version: blind, harden

Derivation: apparently from (a kind of stone);

Mark 6:52 for they had not understood about the loaves, but their hearts had been hardened.
Mark 8:17 Aware of their conversation, Jesus asked them, “Why are you debating about having no bread? Do you still not see or understand? Do you have such hard hearts?
John 12:40 “He has blinded their eyes and hardened their hearts, so that they cannot see with their eyes, and understand with their hearts, and turn, and I would heal them.”
Romans 11:7 What then? What Israel was seeking, it failed to obtain, but the elect did. The others were hardened,
2 Corinthians 3:14 But their minds were closed. For to this day the same veil remains at the reading of the old covenant. It has not been lifted, because only in Christ can it be removed.