Melecha versus avodah — two Hebrew words

What sort of work do the Scriptures forbid on the Sabbath? What sort of work is allowed? Attention to the Hebrew words used in connection with the Sabbath and in other contexts sheds some light on these questions. Dr. Baruch Kvasnika is President of Jerusalem Seminary, which equips believers to understand their faith in and through the land of the Bible. His dissertation at The Hebrew University of Jerusalem was, "The Language of Practice: Hebraic Walking and Way Metaphors in First Century Greek Related to Conduct."