Why is Washington Named the District of Columbia?

The Whole Six Pak of truth here:
https://tabublog.com/2017/07/04/6-pak-of-occulted-truths-washington-d-c-the-jesuits-and-our-continued-enslavement-the-lies-end-now/
Very, very few people of the United States know why our Federal Government is named the "District of Columbia". A district, like District Attorney, is a subset of a greater whole.
So what greater whole is the District of Columbia a part of that has the President, the Congress and the Supreme Court under it's jurisdiction??
....and why the name Columbia, if it wasn't named after C. Columbus like most assume. The answers should be very disturbing to all who think we are free sovereign beings, we are .anything but
Part II All Roads Still Lead to Rome. ~ Origins of the United States Government
https://www.youtube.com/watch?v=P0FNq_02vVM
Part III Occult Origins of the UNITED STATES INC. Banking, Law & Monetary Systems
https://www.youtube.com/watch?v=8T7b_qKvKIQ