I don't think that word means what you think it means. It sounds like it should be bad, but most frequently translates to Mighty Hunter--kind of the opposite of Canzano.
We studied this last midnight at the Church of Bob Bible study. Nimrod was the Babylonian name of God. Start at 5:50. The mentions of Nimrod tail off by 9:00 but don't really end till 11:00. Note the chart at 11:40.