Ἰουδαϊσμός Ioudaïsmós

Meaning

"Judaism", i.e. the Jewish faith and usages

In the King James Version: Jews' religion

Derivation: from G2450 (Ἰουδαΐζω);

Where it is used

• Galatians 1:13 For you have heard of my former way of life in Judaism, how severely I persecuted the church of God and tried to destroy it.
• Galatians 1:14 I was advancing in Judaism beyond many of my contemporaries and was extremely zealous for the traditions of my fathers.