The story
From thromb- + endarteriectomy = thromb- (“thrombus”) + end- (“inside”) + arteri- (“artery”) + -ectomy (“excision”).
Etymology from Wiktionary, CC BY-SA 4.0.
thrombendarteriectomy
Today it means: An operation to remove a thrombus and any diseased inner lining causing the obstruction of an artery Full definition →