aortotracheal

Etymology tree
Ancient Greek ᾰ̓ορτή (ăortḗ)bor.
Latin aorta
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English aorto-
Proto-Indo-European *dʰreh₂gʰ-
Proto-Indo-European *dʰréh₂gʰ-us
Proto-Hellenic *tʰrākʰús
Ancient Greek τρᾱχεῖᾰ (trākheîă)bor.
Late Latin trāchīa
Medieval Latin trāchēader.
Middle English
English trachea
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English tracheal
English aortotracheal
From aorto- + tracheal.