extralaryngeal

Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Indo-European *-teros Proto-Indo-European *h₁eǵʰsteros Proto-Italic *eksteros Latin exter Latin extrā English extra- Ancient Greek λᾰ́ρῠγξ (lắrŭnx)bor. New Latin larynx Proto-Italic *-eos New Latin -eus New Latin laryngeus 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 laryngeal English extralaryngeal From extra- + laryngeal.

来源：wiktionary