σκληροκαρδία sklērokardía

Meaning

hard-heartedness, i.e. (specially), destitution of (spiritual) perception

In the King James Version: hardness of heart

Derivation: feminine of a compound of G4642 (σκληρός) and G2588 (καρδία);

Where it is used

• Matthew 19:8 Jesus replied, “Moses permitted you to divorce your wives because of your hardness of heart. But it was not this way from the beginning.
• Mark 10:5 But Jesus told them, “Moses wrote this commandment for you because of your hardness of heart.
• Mark 16:14 Later, as they were eating, Jesus appeared to the Eleven and rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen Him after He had risen.