cricoidal

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 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 cricoidal From cricoid + -al.

来源：wiktionary