aorta (n.) Look up aorta at Dictionary.com
1570s, from Medieval Latin aorta, from Greek aorte, term applied by Aristotle to the great artery of the heart, literally "what is hung up," from aeirein "to lift, heave, raise," of uncertain origin; related to the second element in meteor. Used earlier by Hippocrates of the bronchial tubes. Related: Aortal; aortic.