cricotracheal

Etymology tree Ancient Greek κρῐ́κος (krĭ́kos) Proto-Indo-European *weyd-der. Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek κρῐκοειδής (krĭkoeidḗs)bor. New Latin cricoīdēsbor. English cricoid Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English crico- 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 cricotracheal From crico- + tracheal.

来源：wiktionary