tracheo-, trache-
(Greek: windpipe; originally, "rough" artery)
Aristotle, like other ancients, believed that the arteries contained air. As a result, he distinguished between the artery par excellence, which he called "the smooth artery" and the windpipe, which he named "the rough artery".
(New York: Elsevier Publishing Company; 1967), p. 1635.