retrotracheal en · ADJ
Etymology
Etymology tree Proto-Italic *wre- Latin re- Latin retrōder. English retro- Proto-Indo-European *dʰreh₂gʰ- Proto-Indo-European *-us Proto-Indo-European *dʰréh₂gʰus Proto-Hellenic *tʰrākʰús Ancient Greek τρᾱχεῖᾰ (trākheîă)bor. Late Latin trāchīa Medieval Latin trāchēader. Middle English English trachea English -al English tracheal English retrotracheal From retro- + tracheal.
Meanings
- (not-comparable) At the back of the trachea.