σκληρύνω (sklērýnōsklay-roo'-noverbto harden)
[Grk] σκληρύνω LN: 88.225, 88.226 GK: G5020 Hebrew: חָזַק, כָּבַד, קָשָׁה, קָשַׁח
Derivation: from σκληρός;
Strong's: to indurate, i.e. (figuratively) render stubborn
KJV: --harden.
See: σκληρός