the.com/phlebotomy

means The practice of puncturing a vein to draw blood, whether for testing, diagnosis, or donation.

from From Greek phleps (vein) plus tomia (cutting), the same root family that gives us anatomy and appendectomy. It's an old word for an old practice — bloodletting was once considered a cure for nearly everything, from fevers to bad moods, long before anyone understood what blood actually did. The vein-cutting stuck around in medicine; the quack theory behind it, mercifully, did not.